104220731 has 2 divisors, whose sum is σ = 104220732. Its totient is φ = 104220730.

The previous prime is 104220689. The next prime is 104220773. The reversal of 104220731 is 137022401.

It is a balanced prime because it is at equal distance from previous prime (104220689) and next prime (104220773).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104220731 is a prime.

It is a super-2 number, since 2×104220731² = 21723921540348722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104220031) 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, 52110365 + 52110366.

It is an arithmetic number, because the mean of its divisors is an integer number (52110366).

Almost surely, 2^104220731 is an apocalyptic number.

104220731 is a deficient number, since it is larger than the sum of its proper divisors (1).

104220731 is an equidigital number, since it uses as much as digits as its factorization.

104220731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 104220731 is about 10208.8555186172. The cubic root of 104220731 is about 470.5994027384.

The spelling of 104220731 in words is "one hundred four million, two hundred twenty thousand, seven hundred thirty-one".