1204051530 has 64 divisors (see below), whose sum is σ = 3162768768. Its totient is φ = 290933760.

The previous prime is 1204051529. The next prime is 1204051547. The reversal of 1204051530 is 351504021.

It is a junction number, because it is equal to n+sod(n) for n = 1204051497 and 1204051506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97462 + ... + 109118.

It is an arithmetic number, because the mean of its divisors is an integer number (49418262).

Almost surely, 2^1204051530 is an apocalyptic number.

1204051530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204051530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1581384384).

1204051530 is an abundant number, since it is smaller than the sum of its proper divisors (1958717238).

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

1204051530 is a wasteful number, since it uses less digits than its factorization.

1204051530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11991.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1204051530 is about 34699.4456728058. The cubic root of 1204051530 is about 1063.8531682782.

Adding to 1204051530 its reverse (351504021), we get a palindrome (1555555551).

The spelling of 1204051530 in words is "one billion, two hundred four million, fifty-one thousand, five hundred thirty".