1131425104 has 20 divisors (see below), whose sum is σ = 2262851200. Its totient is φ = 547463520.

The previous prime is 1131425083. The next prime is 1131425117. The reversal of 1131425104 is 4015241311.

1131425104 is an admirable number.

It is a super-2 number, since 2×1131425104² = 2560245531922821632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140054 + ... + 1141045.

It is an arithmetic number, because the mean of its divisors is an integer number (113142560).

Almost surely, 2^1131425104 is an apocalyptic number.

It is an amenable number.

1131425104 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1131425104 is a wasteful number, since it uses less digits than its factorization.

1131425104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281138 (or 2281132 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1131425104 is about 33636.6630925245. The cubic root of 1131425104 is about 1042.0181178027.

Adding to 1131425104 its reverse (4015241311), we get a palindrome (5146666415).

The spelling of 1131425104 in words is "one billion, one hundred thirty-one million, four hundred twenty-five thousand, one hundred four".