112971457 has 2 divisors, whose sum is σ = 112971458. Its totient is φ = 112971456.

The previous prime is 112971431. The next prime is 112971493. The reversal of 112971457 is 754179211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70408881 + 42562576 = 8391^2 + 6524^2 .

It is a cyclic number.

It is not a de Polignac number, because 112971457 - 2¹⁹ = 112447169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112971427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56485728 + 56485729.

It is an arithmetic number, because the mean of its divisors is an integer number (56485729).

Almost surely, 2^112971457 is an apocalyptic number.

It is an amenable number.

112971457 is a deficient number, since it is larger than the sum of its proper divisors (1).

112971457 is an equidigital number, since it uses as much as digits as its factorization.

112971457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 37.

The square root of 112971457 is about 10628.8031781570. The cubic root of 112971457 is about 483.4181031922.

The spelling of 112971457 in words is "one hundred twelve million, nine hundred seventy-one thousand, four hundred fifty-seven".