1157318627 has 2 divisors, whose sum is σ = 1157318628. Its totient is φ = 1157318626.

The previous prime is 1157318621. The next prime is 1157318677. The reversal of 1157318627 is 7268137511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1157318627 - 2¹² = 1157314531 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157318621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578659313 + 578659314.

It is an arithmetic number, because the mean of its divisors is an integer number (578659314).

Almost surely, 2^1157318627 is an apocalyptic number.

1157318627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157318627 is an equidigital number, since it uses as much as digits as its factorization.

1157318627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 41.

The square root of 1157318627 is about 34019.3860467822. The cubic root of 1157318627 is about 1049.9073620463.

The spelling of 1157318627 in words is "one billion, one hundred fifty-seven million, three hundred eighteen thousand, six hundred twenty-seven".