104157247 has 2 divisors, whose sum is σ = 104157248. Its totient is φ = 104157246.

The previous prime is 104157211. The next prime is 104157269. The reversal of 104157247 is 742751401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104157247 - 2¹¹ = 104155199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104157047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52078623 + 52078624.

It is an arithmetic number, because the mean of its divisors is an integer number (52078624).

Almost surely, 2^104157247 is an apocalyptic number.

104157247 is a deficient number, since it is larger than the sum of its proper divisors (1).

104157247 is an equidigital number, since it uses as much as digits as its factorization.

104157247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 104157247 is about 10205.7457836260. The cubic root of 104157247 is about 470.5038312198.

The spelling of 104157247 in words is "one hundred four million, one hundred fifty-seven thousand, two hundred forty-seven".