1157874671 has 6 divisors (see below), whose sum is σ = 1210406400. Its totient is φ = 1107531788.

The previous prime is 1157874629. The next prime is 1157874673. The reversal of 1157874671 is 1764787511.

It is a happy number.

It is not a de Polignac number, because 1157874671 - 2¹⁸ = 1157612527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157874673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1093871 + ... + 1094928.

It is an arithmetic number, because the mean of its divisors is an integer number (201734400).

Almost surely, 2^1157874671 is an apocalyptic number.

1157874671 is a deficient number, since it is larger than the sum of its proper divisors (52531729).

1157874671 is an equidigital number, since it uses as much as digits as its factorization.

1157874671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188845 (or 2188822 counting only the distinct ones).

The product of its digits is 329280, while the sum is 47.

The square root of 1157874671 is about 34027.5575232781. The cubic root of 1157874671 is about 1050.0754808928.

The spelling of 1157874671 in words is "one billion, one hundred fifty-seven million, eight hundred seventy-four thousand, six hundred seventy-one".