1157271076 has 48 divisors (see below), whose sum is σ = 2334830400. Its totient is φ = 497411712.

The previous prime is 1157271061. The next prime is 1157271091. The reversal of 1157271076 is 6701727511.

It is an interprime number because it is at equal distance from previous prime (1157271061) and next prime (1157271091).

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, 48366 + ... + 68218.

It is an arithmetic number, because the mean of its divisors is an integer number (48642300).

Almost surely, 2^1157271076 is an apocalyptic number.

It is an amenable number.

1157271076 is an abundant number, since it is smaller than the sum of its proper divisors (1177559324).

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

1157271076 is a wasteful number, since it uses less digits than its factorization.

1157271076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19948 (or 19946 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 37.

The square root of 1157271076 is about 34018.6871586779. The cubic root of 1157271076 is about 1049.8929825926.

Adding to 1157271076 its reverse (6701727511), we get a palindrome (7858998587).

The spelling of 1157271076 in words is "one billion, one hundred fifty-seven million, two hundred seventy-one thousand, seventy-six".