1108131929 has 2 divisors, whose sum is σ = 1108131930. Its totient is φ = 1108131928.

The previous prime is 1108131919. The next prime is 1108131953. The reversal of 1108131929 is 9291318011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1107225625 + 906304 = 33275^2 + 952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108131929 - 2²⁴ = 1091354713 is a prime.

It is a super-2 number, since 2×1108131929² = 2455912744138522082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1108131919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554065964 + 554065965.

It is an arithmetic number, because the mean of its divisors is an integer number (554065965).

Almost surely, 2^1108131929 is an apocalyptic number.

It is an amenable number.

1108131929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108131929 is an equidigital number, since it uses as much as digits as its factorization.

1108131929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 1108131929 is about 33288.6156065403. The cubic root of 1108131929 is about 1034.8176389173.

The spelling of 1108131929 in words is "one billion, one hundred eight million, one hundred thirty-one thousand, nine hundred twenty-nine".