1146205872 has 60 divisors (see below), whose sum is σ = 3666042640. Its totient is φ = 327487104.

The previous prime is 1146205867. The next prime is 1146205883. The reversal of 1146205872 is 2785026411.

1146205872 is a `hidden beast` number, since 1 + 14 + 62 + 0 + 587 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567547 + ... + 569562.

Almost surely, 2^1146205872 is an apocalyptic number.

1146205872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1146205872 is an abundant number, since it is smaller than the sum of its proper divisors (2519836768).

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

1146205872 is a wasteful number, since it uses less digits than its factorization.

1146205872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137130 (or 1137121 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1146205872 is about 33855.6623329097. The cubic root of 1146205872 is about 1046.5360900210.

The spelling of 1146205872 in words is "one billion, one hundred forty-six million, two hundred five thousand, eight hundred seventy-two".