1167032381 has 2 divisors, whose sum is σ = 1167032382. Its totient is φ = 1167032380.

The previous prime is 1167032369. The next prime is 1167032389. The reversal of 1167032381 is 1832307611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854626756 + 312405625 = 29234^2 + 17675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167032381 - 2²² = 1162838077 is a prime.

It is a super-2 number, since 2×1167032381² = 2723929156605058322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1167032389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583516190 + 583516191.

It is an arithmetic number, because the mean of its divisors is an integer number (583516191).

Almost surely, 2^1167032381 is an apocalyptic number.

It is an amenable number.

1167032381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167032381 is an equidigital number, since it uses as much as digits as its factorization.

1167032381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1167032381 is about 34161.8556433927. The cubic root of 1167032381 is about 1052.8365873195.

Adding to 1167032381 its reverse (1832307611), we get a palindrome (2999339992).

The spelling of 1167032381 in words is "one billion, one hundred sixty-seven million, thirty-two thousand, three hundred eighty-one".