1151254156 has 96 divisors (see below), whose sum is σ = 2351059200. Its totient is φ = 488851200.

The previous prime is 1151254141. The next prime is 1151254171. The reversal of 1151254156 is 6514521511.

It is an interprime number because it is at equal distance from previous prime (1151254141) and next prime (1151254171).

It is a super-2 number, since 2×1151254156² = 2650772263414544672, which contains 22 as substring.

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, 8282335 + ... + 8282473.

It is an arithmetic number, because the mean of its divisors is an integer number (24490200).

Almost surely, 2^1151254156 is an apocalyptic number.

It is an amenable number.

1151254156 is an abundant number, since it is smaller than the sum of its proper divisors (1199805044).

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

1151254156 is a wasteful number, since it uses less digits than its factorization.

1151254156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its digits is 6000, while the sum is 31.

The square root of 1151254156 is about 33930.1363981933. The cubic root of 1151254156 is about 1048.0702745545.

Adding to 1151254156 its reverse (6514521511), we get a palindrome (7665775667).

The spelling of 1151254156 in words is "one billion, one hundred fifty-one million, two hundred fifty-four thousand, one hundred fifty-six".