104971157 has 4 divisors (see below), whose sum is σ = 106449696. Its totient is φ = 103492620.

The previous prime is 104971129. The next prime is 104971159. The reversal of 104971157 is 751179401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751179401 = 7 ⋅107311343.

It is a cyclic number.

It is not a de Polignac number, because 104971157 - 2¹⁸ = 104709013 is a prime.

It is a super-2 number, since 2×104971157² = 22037887603837298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104971159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739163 + ... + 739304.

It is an arithmetic number, because the mean of its divisors is an integer number (26612424).

Almost surely, 2^104971157 is an apocalyptic number.

It is an amenable number.

104971157 is a deficient number, since it is larger than the sum of its proper divisors (1478539).

104971157 is an equidigital number, since it uses as much as digits as its factorization.

104971157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478538.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 104971157 is about 10245.5432750050. The cubic root of 104971157 is about 471.7261964733.

The spelling of 104971157 in words is "one hundred four million, nine hundred seventy-one thousand, one hundred fifty-seven".