112130639 has 2 divisors, whose sum is σ = 112130640. Its totient is φ = 112130638.

The previous prime is 112130591. The next prime is 112130651. The reversal of 112130639 is 936031211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112130639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112130699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56065319 + 56065320.

It is an arithmetic number, because the mean of its divisors is an integer number (56065320).

Almost surely, 2^112130639 is an apocalyptic number.

112130639 is a deficient number, since it is larger than the sum of its proper divisors (1).

112130639 is an equidigital number, since it uses as much as digits as its factorization.

112130639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 112130639 is about 10589.1755580876. The cubic root of 112130639 is about 482.2157958323.

The spelling of 112130639 in words is "one hundred twelve million, one hundred thirty thousand, six hundred thirty-nine".