1167309397 has 2 divisors, whose sum is σ = 1167309398. Its totient is φ = 1167309396.

The previous prime is 1167309391. The next prime is 1167309413. The reversal of 1167309397 is 7939037611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 690585841 + 476723556 = 26279^2 + 21834^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167309397 - 2³ = 1167309389 is a prime.

It is a super-2 number, since 2×1167309397² = 2725222456649007218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167309391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583654698 + 583654699.

It is an arithmetic number, because the mean of its divisors is an integer number (583654699).

Almost surely, 2^1167309397 is an apocalyptic number.

It is an amenable number.

1167309397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167309397 is an equidigital number, since it uses as much as digits as its factorization.

1167309397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 1167309397 is about 34165.9098664151. The cubic root of 1167309397 is about 1052.9198839248.

The spelling of 1167309397 in words is "one billion, one hundred sixty-seven million, three hundred nine thousand, three hundred ninety-seven".