101092639 has 2 divisors, whose sum is σ = 101092640. Its totient is φ = 101092638.

The previous prime is 101092583. The next prime is 101092657. The reversal of 101092639 is 936290101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101092639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101092639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101092669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50546319 + 50546320.

It is an arithmetic number, because the mean of its divisors is an integer number (50546320).

Almost surely, 2^101092639 is an apocalyptic number.

101092639 is a deficient number, since it is larger than the sum of its proper divisors (1).

101092639 is an equidigital number, since it uses as much as digits as its factorization.

101092639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 101092639 is about 10054.4835272628. The cubic root of 101092639 is about 465.8432903410.

The spelling of 101092639 in words is "one hundred one million, ninety-two thousand, six hundred thirty-nine".