1125116146 has 32 divisors (see below), whose sum is σ = 2147068800. Its totient is φ = 438354000.

The previous prime is 1125116143. The next prime is 1125116243. The reversal of 1125116146 is 6416115211.

It is not an unprimeable number, because it can be changed into a prime (1125116143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67005 + ... + 82096.

It is an arithmetic number, because the mean of its divisors is an integer number (67095900).

Almost surely, 2^1125116146 is an apocalyptic number.

1125116146 is a deficient number, since it is larger than the sum of its proper divisors (1021952654).

1125116146 is a wasteful number, since it uses less digits than its factorization.

1125116146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149135 (or 149121 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 1125116146 is about 33542.7510201534. The cubic root of 1125116146 is about 1040.0777019114.

The spelling of 1125116146 in words is "one billion, one hundred twenty-five million, one hundred sixteen thousand, one hundred forty-six".