1157162260 has 24 divisors (see below), whose sum is σ = 2464269696. Its totient is φ = 456345120.

The previous prime is 1157162243. The next prime is 1157162261. The reversal of 1157162260 is 622617511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157162261) 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, 406032 + ... + 408871.

It is an arithmetic number, because the mean of its divisors is an integer number (102677904).

Almost surely, 2^1157162260 is an apocalyptic number.

1157162260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157162260 is an abundant number, since it is smaller than the sum of its proper divisors (1307107436).

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

1157162260 is a wasteful number, since it uses less digits than its factorization.

1157162260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814983 (or 814981 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1157162260 is about 34017.0877648278. The cubic root of 1157162260 is about 1049.8600750806.

Adding to 1157162260 its reverse (622617511), we get a palindrome (1779779771).

The spelling of 1157162260 in words is "one billion, one hundred fifty-seven million, one hundred sixty-two thousand, two hundred sixty".