104161157 has 2 divisors, whose sum is σ = 104161158. Its totient is φ = 104161156.

The previous prime is 104161153. The next prime is 104161171. The reversal of 104161157 is 751161401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83649316 + 20511841 = 9146^2 + 4529^2 .

It is a cyclic number.

It is not a de Polignac number, because 104161157 - 2² = 104161153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104161151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52080578 + 52080579.

It is an arithmetic number, because the mean of its divisors is an integer number (52080579).

Almost surely, 2^104161157 is an apocalyptic number.

It is an amenable number.

104161157 is a deficient number, since it is larger than the sum of its proper divisors (1).

104161157 is an equidigital number, since it uses as much as digits as its factorization.

104161157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 104161157 is about 10205.9373405876. The cubic root of 104161157 is about 470.5097186225.

The spelling of 104161157 in words is "one hundred four million, one hundred sixty-one thousand, one hundred fifty-seven".