1125860555 has 16 divisors (see below), whose sum is σ = 1380637440. Its totient is φ = 881164128.

The previous prime is 1125860543. The next prime is 1125860569. The reversal of 1125860555 is 5550685211.

It is a cyclic number.

It is not a de Polignac number, because 1125860555 - 2¹⁴ = 1125844171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29576 + ... + 55914.

It is an arithmetic number, because the mean of its divisors is an integer number (86289840).

Almost surely, 2^1125860555 is an apocalyptic number.

1125860555 is a deficient number, since it is larger than the sum of its proper divisors (254776885).

1125860555 is a wasteful number, since it uses less digits than its factorization.

1125860555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26530.

The product of its (nonzero) digits is 60000, while the sum is 38.

The square root of 1125860555 is about 33553.8456067259. The cubic root of 1125860555 is about 1040.3070330531.

The spelling of 1125860555 in words is "one billion, one hundred twenty-five million, eight hundred sixty thousand, five hundred fifty-five".