1158957072 has 400 divisors, whose sum is σ = 4275059712. Its totient is φ = 294865920.

The previous prime is 1158957071. The next prime is 1158957077. The reversal of 1158957072 is 2707598511.

1158957072 is a `hidden beast` number, since 1 + 1 + 5 + 8 + 9 + 570 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158957071) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3655858 + ... + 3656174.

Almost surely, 2^1158957072 is an apocalyptic number.

1158957072 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 1158957072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2137529856).

1158957072 is an abundant number, since it is smaller than the sum of its proper divisors (3116102640).

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

1158957072 is a wasteful number, since it uses less digits than its factorization.

1158957072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The square root of 1158957072 is about 34043.4585787050. The cubic root of 1158957072 is about 1050.4025884779.

The spelling of 1158957072 in words is "one billion, one hundred fifty-eight million, nine hundred fifty-seven thousand, seventy-two".