1150947920 has 30 divisors (see below), whose sum is σ = 2676659598. Its totient is φ = 460257792.

The previous prime is 1150947913. The next prime is 1150947949. The reversal of 1150947920 is 297490511.

It can be written as a sum of positive squares in 3 ways, for example, as 652864 + 1150295056 = 808^2 + 33916^2 .

It is a super-2 number, since 2×1150947920² = 2649362229104652800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 301544 + ... + 305336.

Almost surely, 2^1150947920 is an apocalyptic number.

1150947920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150947920 is an abundant number, since it is smaller than the sum of its proper divisors (1525711678).

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

1150947920 is an frugal number, since it uses more digits than its factorization.

1150947920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599 (or 3800 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1150947920 is about 33925.6233546268. The cubic root of 1150947920 is about 1047.9773366892.

The spelling of 1150947920 in words is "one billion, one hundred fifty million, nine hundred forty-seven thousand, nine hundred twenty".