1156406260 has 24 divisors (see below), whose sum is σ = 2429100576. Its totient is φ = 462439200.

The previous prime is 1156406257. The next prime is 1156406269. The reversal of 1156406260 is 626046511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156406269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124539 + ... + 133501.

It is an arithmetic number, because the mean of its divisors is an integer number (101212524).

Almost surely, 2^1156406260 is an apocalyptic number.

1156406260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156406260 is an abundant number, since it is smaller than the sum of its proper divisors (1272694316).

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

1156406260 is a wasteful number, since it uses less digits than its factorization.

1156406260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15423 (or 15421 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1156406260 is about 34005.9738869511. The cubic root of 1156406260 is about 1049.6313929118.

The spelling of 1156406260 in words is "one billion, one hundred fifty-six million, four hundred six thousand, two hundred sixty".