1125557634 has 16 divisors (see below), whose sum is σ = 2251706688. Its totient is φ = 375087312.

The previous prime is 1125557627. The next prime is 1125557651. The reversal of 1125557634 is 4367555211.

It is a junction number, because it is equal to n+sod(n) for n = 1125557592 and 1125557601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 47505.

It is an arithmetic number, because the mean of its divisors is an integer number (140731668).

Almost surely, 2^1125557634 is an apocalyptic number.

1125557634 is an abundant number, since it is smaller than the sum of its proper divisors (1126149054).

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

1125557634 is a wasteful number, since it uses less digits than its factorization.

1125557634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49289.

The product of its digits is 126000, while the sum is 39.

The square root of 1125557634 is about 33549.3313495217. The cubic root of 1125557634 is about 1040.2137239507.

The spelling of 1125557634 in words is "one billion, one hundred twenty-five million, five hundred fifty-seven thousand, six hundred thirty-four".