1204550928 has 180 divisors, whose sum is σ = 3996678348. Its totient is φ = 337559040.

The previous prime is 1204550927. The next prime is 1204550953. The reversal of 1204550928 is 8290554021.

1204550928 is a `hidden beast` number, since 12 + 0 + 4 + 550 + 92 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 899280144 + 305270784 = 29988^2 + 17472^2 .

It is a super-2 number, since 2×1204550928² = 2901885876291322368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1204550892 and 1204550901.

It is not an unprimeable number, because it can be changed into a prime (1204550927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 372358 + ... + 375578.

Almost surely, 2^1204550928 is an apocalyptic number.

1204550928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204550928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1998339174).

1204550928 is an abundant number, since it is smaller than the sum of its proper divisors (2792127420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1204550928 is a wasteful number, since it uses less digits than its factorization.

1204550928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3286 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 1204550928 is about 34706.6409783488. The cubic root of 1204550928 is about 1064.0002308402. Note that the first 3 decimals are identical.

The spelling of 1204550928 in words is "one billion, two hundred four million, five hundred fifty thousand, nine hundred twenty-eight".