1157334161 has 2 divisors, whose sum is σ = 1157334162. Its totient is φ = 1157334160.

The previous prime is 1157334119. The next prime is 1157334223. The reversal of 1157334161 is 1614337511.

1157334161 = 24055² + 24056².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 578691136 + 578643025 = 24056^2 + 24055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157334161 - 2²² = 1153139857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157334961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578667080 + 578667081.

It is an arithmetic number, because the mean of its divisors is an integer number (578667081).

Almost surely, 2^1157334161 is an apocalyptic number.

1157334161 is the 24056-th centered square number.

It is an amenable number.

1157334161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157334161 is an equidigital number, since it uses as much as digits as its factorization.

1157334161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 1157334161 is about 34019.6143570147. The cubic root of 1157334161 is about 1049.9120594528.

The spelling of 1157334161 in words is "one billion, one hundred fifty-seven million, three hundred thirty-four thousand, one hundred sixty-one".