104192731 has 2 divisors, whose sum is σ = 104192732. Its totient is φ = 104192730.

The previous prime is 104192717. The next prime is 104192743. The reversal of 104192731 is 137291401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104192731 - 2¹⁹ = 103668443 is a prime.

It is a super-2 number, since 2×104192731² = 21712250386476722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104192731.

It is not a weakly prime, because it can be changed into another prime (104192531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52096365 + 52096366.

It is an arithmetic number, because the mean of its divisors is an integer number (52096366).

Almost surely, 2^104192731 is an apocalyptic number.

104192731 is a deficient number, since it is larger than the sum of its proper divisors (1).

104192731 is an equidigital number, since it uses as much as digits as its factorization.

104192731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 104192731 is about 10207.4840680748. The cubic root of 104192731 is about 470.5572551306.

The spelling of 104192731 in words is "one hundred four million, one hundred ninety-two thousand, seven hundred thirty-one".