1157377241 has 2 divisors, whose sum is σ = 1157377242. Its totient is φ = 1157377240.

The previous prime is 1157377201. The next prime is 1157377261. The reversal of 1157377241 is 1427737511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088736016 + 68641225 = 32996^2 + 8285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157377241 - 2³⁰ = 83635417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1157377195 and 1157377204.

It is not a weakly prime, because it can be changed into another prime (1157377201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578688620 + 578688621.

It is an arithmetic number, because the mean of its divisors is an integer number (578688621).

Almost surely, 2^1157377241 is an apocalyptic number.

It is an amenable number.

1157377241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157377241 is an equidigital number, since it uses as much as digits as its factorization.

1157377241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41160, while the sum is 38.

The square root of 1157377241 is about 34020.2475152666. The cubic root of 1157377241 is about 1049.9250864165.

The spelling of 1157377241 in words is "one billion, one hundred fifty-seven million, three hundred seventy-seven thousand, two hundred forty-one".