112921031 has 2 divisors, whose sum is σ = 112921032. Its totient is φ = 112921030.

The previous prime is 112921001. The next prime is 112921037. The reversal of 112921031 is 130129211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112921031 - 2¹⁰ = 112920007 is a prime.

It is a super-2 number, since 2×112921031² = 25502318484205922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 112920994 and 112921012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112921037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56460515 + 56460516.

It is an arithmetic number, because the mean of its divisors is an integer number (56460516).

Almost surely, 2^112921031 is an apocalyptic number.

112921031 is a deficient number, since it is larger than the sum of its proper divisors (1).

112921031 is an equidigital number, since it uses as much as digits as its factorization.

112921031 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 20.

The square root of 112921031 is about 10626.4307742534. The cubic root of 112921031 is about 483.3461662335.

The spelling of 112921031 in words is "one hundred twelve million, nine hundred twenty-one thousand, thirty-one".