123061031 has 2 divisors, whose sum is σ = 123061032. Its totient is φ = 123061030.

The previous prime is 123061027. The next prime is 123061039. The reversal of 123061031 is 130160321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123061031 - 2² = 123061027 is a prime.

It is a super-2 number, since 2×123061031² = 30288034701565922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123061039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61530515 + 61530516.

It is an arithmetic number, because the mean of its divisors is an integer number (61530516).

Almost surely, 2^123061031 is an apocalyptic number.

123061031 is a deficient number, since it is larger than the sum of its proper divisors (1).

123061031 is an equidigital number, since it uses as much as digits as its factorization.

123061031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 123061031 is about 11093.2876551544. The cubic root of 123061031 is about 497.4012241295.

The spelling of 123061031 in words is "one hundred twenty-three million, sixty-one thousand, thirty-one".