1157973960 has 128 divisors (see below), whose sum is σ = 4081311360. Its totient is φ = 259123200.

The previous prime is 1157973953. The next prime is 1157973977. The reversal of 1157973960 is 693797511.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16581 + ... + 50900.

It is an arithmetic number, because the mean of its divisors is an integer number (31885245).

Almost surely, 2^1157973960 is an apocalyptic number.

1157973960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157973960 is an abundant number, since it is smaller than the sum of its proper divisors (2923337400).

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

1157973960 is a wasteful number, since it uses less digits than its factorization.

1157973960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67519 (or 67515 counting only the distinct ones).

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 1157973960 is about 34029.0164418544. The cubic root of 1157973960 is about 1050.1054950693.

The spelling of 1157973960 in words is "one billion, one hundred fifty-seven million, nine hundred seventy-three thousand, nine hundred sixty".