1148338972 has 24 divisors (see below), whose sum is σ = 2201400432. Its totient is φ = 519801600.

The previous prime is 1148338943. The next prime is 1148338987. The reversal of 1148338972 is 2798338411.

It is a super-2 number, since 2×1148338972² = 2637364789228033568, 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 7 ways as a sum of consecutive naturals, for example, 43543 + ... + 64750.

It is an arithmetic number, because the mean of its divisors is an integer number (91725018).

Almost surely, 2^1148338972 is an apocalyptic number.

It is an amenable number.

1148338972 is a deficient number, since it is larger than the sum of its proper divisors (1053061460).

1148338972 is a wasteful number, since it uses less digits than its factorization.

1148338972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108549 (or 108547 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 1148338972 is about 33887.1505441222. The cubic root of 1148338972 is about 1047.1848922417.

The spelling of 1148338972 in words is "one billion, one hundred forty-eight million, three hundred thirty-eight thousand, nine hundred seventy-two".