1125856371 has 8 divisors (see below), whose sum is σ = 1566408960. Its totient is φ = 717937352.

The previous prime is 1125856307. The next prime is 1125856373. The reversal of 1125856371 is 1736585211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125856371 - 2⁶ = 1125856307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125856373) 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, 8158311 + ... + 8158448.

It is an arithmetic number, because the mean of its divisors is an integer number (195801120).

Almost surely, 2^1125856371 is an apocalyptic number.

1125856371 is a deficient number, since it is larger than the sum of its proper divisors (440552589).

1125856371 is a wasteful number, since it uses less digits than its factorization.

1125856371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16316785.

The product of its digits is 50400, while the sum is 39.

The square root of 1125856371 is about 33553.7832591200. The cubic root of 1125856371 is about 1040.3057443648.

The spelling of 1125856371 in words is "one billion, one hundred twenty-five million, eight hundred fifty-six thousand, three hundred seventy-one".