1157370547 has 2 divisors, whose sum is σ = 1157370548. Its totient is φ = 1157370546.

The previous prime is 1157370493. The next prime is 1157370551. The reversal of 1157370547 is 7450737511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1157370547 - 2¹⁹ = 1156846259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157370587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578685273 + 578685274.

It is an arithmetic number, because the mean of its divisors is an integer number (578685274).

Almost surely, 2^1157370547 is an apocalyptic number.

1157370547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157370547 is an equidigital number, since it uses as much as digits as its factorization.

1157370547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102900, while the sum is 40.

The square root of 1157370547 is about 34020.1491325361. The cubic root of 1157370547 is about 1049.9230622386.

The spelling of 1157370547 in words is "one billion, one hundred fifty-seven million, three hundred seventy thousand, five hundred forty-seven".