1156807873 has 12 divisors (see below), whose sum is σ = 1293051648. Its totient is φ = 1033372080.

The previous prime is 1156807807. The next prime is 1156807877. The reversal of 1156807873 is 3787086511.

It is a de Polignac number, because none of the positive numbers 2^k-1156807873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156807877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105165 + ... + 115642.

It is an arithmetic number, because the mean of its divisors is an integer number (107754304).

Almost surely, 2^1156807873 is an apocalyptic number.

1156807873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1156807873 is a deficient number, since it is larger than the sum of its proper divisors (136243775).

1156807873 is a wasteful number, since it uses less digits than its factorization.

1156807873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220864 (or 220851 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 1156807873 is about 34011.8784103436. The cubic root of 1156807873 is about 1049.7528890897.

The spelling of 1156807873 in words is "one billion, one hundred fifty-six million, eight hundred seven thousand, eight hundred seventy-three".