112951021 has 2 divisors, whose sum is σ = 112951022. Its totient is φ = 112951020.

The previous prime is 112951001. The next prime is 112951031. The reversal of 112951021 is 120159211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80802121 + 32148900 = 8989^2 + 5670^2 .

It is a cyclic number.

It is not a de Polignac number, because 112951021 - 2¹⁹ = 112426733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112950983 and 112951001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112951001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56475510 + 56475511.

It is an arithmetic number, because the mean of its divisors is an integer number (56475511).

Almost surely, 2^112951021 is an apocalyptic number.

It is an amenable number.

112951021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112951021 is an equidigital number, since it uses as much as digits as its factorization.

112951021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 112951021 is about 10627.8417846711. The cubic root of 112951021 is about 483.3889520881.

The spelling of 112951021 in words is "one hundred twelve million, nine hundred fifty-one thousand, twenty-one".