1147462972 has 24 divisors (see below), whose sum is σ = 2124726800. Its totient is φ = 540711936.

The previous prime is 1147462961. The next prime is 1147462973. The reversal of 1147462972 is 2792647411.

It is a super-2 number, since 2×1147462972² = 2633342544222145568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147462973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24447 + ... + 53782.

Almost surely, 2^1147462972 is an apocalyptic number.

It is an amenable number.

1147462972 is a deficient number, since it is larger than the sum of its proper divisors (977263828).

1147462972 is a wasteful number, since it uses less digits than its factorization.

1147462972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78445 (or 78443 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 1147462972 is about 33874.2228250332. Note that the first 3 decimals coincide. The cubic root of 1147462972 is about 1046.9185459953.

The spelling of 1147462972 in words is "one billion, one hundred forty-seven million, four hundred sixty-two thousand, nine hundred seventy-two".