123110971 has 2 divisors, whose sum is σ = 123110972. Its totient is φ = 123110970.

The previous prime is 123110963. The next prime is 123110989. The reversal of 123110971 is 179011321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123110971 - 2³ = 123110963 is a prime.

It is a super-2 number, since 2×123110971² = 30312622361125682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123110921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555485 + 61555486.

It is an arithmetic number, because the mean of its divisors is an integer number (61555486).

Almost surely, 2^123110971 is an apocalyptic number.

123110971 is a deficient number, since it is larger than the sum of its proper divisors (1).

123110971 is an equidigital number, since it uses as much as digits as its factorization.

123110971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 123110971 is about 11095.5383375481. The cubic root of 123110971 is about 497.4684993060.

The spelling of 123110971 in words is "one hundred twenty-three million, one hundred ten thousand, nine hundred seventy-one".