1157126167 has 2 divisors, whose sum is σ = 1157126168. Its totient is φ = 1157126166.

The previous prime is 1157126101. The next prime is 1157126183. The reversal of 1157126167 is 7616217511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1157126167 - 2⁷ = 1157126039 is a prime.

It is a super-2 number, since 2×1157126167² = 2677881932712223778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157196167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578563083 + 578563084.

It is an arithmetic number, because the mean of its divisors is an integer number (578563084).

Almost surely, 2^1157126167 is an apocalyptic number.

1157126167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157126167 is an equidigital number, since it uses as much as digits as its factorization.

1157126167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 37.

The square root of 1157126167 is about 34016.5572479050. The cubic root of 1157126167 is about 1049.8491595864.

The spelling of 1157126167 in words is "one billion, one hundred fifty-seven million, one hundred twenty-six thousand, one hundred sixty-seven".