1131425948 has 6 divisors (see below), whose sum is σ = 1979995416. Its totient is φ = 565712972.

The previous prime is 1131425881. The next prime is 1131425951. The reversal of 1131425948 is 8495241311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141428240 + ... + 141428247.

It is an arithmetic number, because the mean of its divisors is an integer number (329999236).

Almost surely, 2^1131425948 is an apocalyptic number.

It is an amenable number.

1131425948 is a deficient number, since it is larger than the sum of its proper divisors (848569468).

1131425948 is a wasteful number, since it uses less digits than its factorization.

1131425948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282856491 (or 282856489 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 1131425948 is about 33636.6756383564. The cubic root of 1131425948 is about 1042.0183769046.

The spelling of 1131425948 in words is "one billion, one hundred thirty-one million, four hundred twenty-five thousand, nine hundred forty-eight".