1156070832 has 160 divisors (see below), whose sum is σ = 3499776000. Its totient is φ = 322043904.

The previous prime is 1156070807. The next prime is 1156070833. The reversal of 1156070832 is 2380706511.

It is a junction number, because it is equal to n+sod(n) for n = 1156070793 and 1156070802.

It is not an unprimeable number, because it can be changed into a prime (1156070833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2574544 + ... + 2574992.

It is an arithmetic number, because the mean of its divisors is an integer number (21873600).

Almost surely, 2^1156070832 is an apocalyptic number.

1156070832 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 1156070832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749888000).

1156070832 is an abundant number, since it is smaller than the sum of its proper divisors (2343705168).

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

1156070832 is a wasteful number, since it uses less digits than its factorization.

1156070832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1156070832 is about 34001.0416311030. The cubic root of 1156070832 is about 1049.5298974952.

The spelling of 1156070832 in words is "one billion, one hundred fifty-six million, seventy thousand, eight hundred thirty-two".