1154116520 has 16 divisors (see below), whose sum is σ = 2596762260. Its totient is φ = 461646592.

The previous prime is 1154116507. The next prime is 1154116529. The reversal of 1154116520 is 256114511.

It can be written as a sum of positive squares in 2 ways, for example, as 1151787844 + 2328676 = 33938^2 + 1526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1154116520.

It is not an unprimeable number, because it can be changed into a prime (1154116529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14426417 + ... + 14426496.

Almost surely, 2^1154116520 is an apocalyptic number.

1154116520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154116520 is an abundant number, since it is smaller than the sum of its proper divisors (1442645740).

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

1154116520 is a wasteful number, since it uses less digits than its factorization.

1154116520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28852924 (or 28852920 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1154116520 is about 33972.2904732666. The cubic root of 1154116520 is about 1048.9381616236.

The spelling of 1154116520 in words is "one billion, one hundred fifty-four million, one hundred sixteen thousand, five hundred twenty".