1157292361 has 3 divisors (see below), whose sum is σ = 1157326381. Its totient is φ = 1157258342.

The previous prime is 1157292343. The next prime is 1157292371. The reversal of 1157292361 is 1632927511.

The square root of 1157292361 is 34019.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1632927511 = 31 ⋅52675081.

It is not a de Polignac number, because 1157292361 - 2⁵ = 1157292329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157292361.

It is not an unprimeable number, because it can be changed into a prime (1157292371) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 17010 + ... + 51028.

Almost surely, 2^1157292361 is an apocalyptic number.

1157292361 is the 34019-th square number.

1157292361 is the 17010-th centered octagonal number.

It is an amenable number.

1157292361 is a deficient number, since it is larger than the sum of its proper divisors (34020).

1157292361 is an frugal number, since it uses more digits than its factorization.

1157292361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68038 (or 34019 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The cubic root of 1157292361 is about 1049.8994192393.

The spelling of 1157292361 in words is "one billion, one hundred fifty-seven million, two hundred ninety-two thousand, three hundred sixty-one".