1152397152 has 96 divisors (see below), whose sum is σ = 3507356160. Its totient is φ = 367424640.

The previous prime is 1152397117. The next prime is 1152397189. The reversal of 1152397152 is 2517932511.

1152397152 is a `hidden beast` number, since 11 + 523 + 9 + 71 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1152397152² = 2656038391875422208, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9124 + ... + 48867.

It is an arithmetic number, because the mean of its divisors is an integer number (36534960).

Almost surely, 2^1152397152 is an apocalyptic number.

1152397152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152397152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753678080).

1152397152 is an abundant number, since it is smaller than the sum of its proper divisors (2354959008).

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

1152397152 is a wasteful number, since it uses less digits than its factorization.

1152397152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58033 (or 58019 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 1152397152 is about 33946.9755943000. The cubic root of 1152397152 is about 1048.4170105887.

The spelling of 1152397152 in words is "one billion, one hundred fifty-two million, three hundred ninety-seven thousand, one hundred fifty-two".