1157364427 has 2 divisors, whose sum is σ = 1157364428. Its totient is φ = 1157364426.

The previous prime is 1157364421. The next prime is 1157364443. The reversal of 1157364427 is 7244637511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1157364427 - 2²³ = 1148975819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1157364427.

It is not a weakly prime, because it can be changed into another prime (1157364421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578682213 + 578682214.

It is an arithmetic number, because the mean of its divisors is an integer number (578682214).

Almost surely, 2^1157364427 is an apocalyptic number.

1157364427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157364427 is an equidigital number, since it uses as much as digits as its factorization.

1157364427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 1157364427 is about 34020.0591857216. The cubic root of 1157364427 is about 1049.9212116240.

The spelling of 1157364427 in words is "one billion, one hundred fifty-seven million, three hundred sixty-four thousand, four hundred twenty-seven".