1157412265 has 8 divisors (see below), whose sum is σ = 1461994560. Its totient is φ = 877196592.

The previous prime is 1157412257. The next prime is 1157412287. The reversal of 1157412265 is 5622147511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1157412265 - 2³ = 1157412257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1157412265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6091549 + ... + 6091738.

It is an arithmetic number, because the mean of its divisors is an integer number (182749320).

Almost surely, 2^1157412265 is an apocalyptic number.

It is an amenable number.

1157412265 is a deficient number, since it is larger than the sum of its proper divisors (304582295).

1157412265 is a wasteful number, since it uses less digits than its factorization.

1157412265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12183311.

The product of its digits is 16800, while the sum is 34.

The square root of 1157412265 is about 34020.7622636531. The cubic root of 1157412265 is about 1049.9356770876.

Adding to 1157412265 its reverse (5622147511), we get a palindrome (6779559776).

The spelling of 1157412265 in words is "one billion, one hundred fifty-seven million, four hundred twelve thousand, two hundred sixty-five".