1147901492 has 48 divisors (see below), whose sum is σ = 2182467840. Its totient is φ = 526528512.

The previous prime is 1147901483. The next prime is 1147901527. The reversal of 1147901492 is 2941097411.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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, 344828 + ... + 348140.

It is an arithmetic number, because the mean of its divisors is an integer number (45468080).

Almost surely, 2^1147901492 is an apocalyptic number.

It is an amenable number.

1147901492 is a deficient number, since it is larger than the sum of its proper divisors (1034566348).

1147901492 is a wasteful number, since it uses less digits than its factorization.

1147901492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3478 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1147901492 is about 33880.6949751625. The cubic root of 1147901492 is about 1047.0518941616.

The spelling of 1147901492 in words is "one billion, one hundred forty-seven million, nine hundred one thousand, four hundred ninety-two".