104420557 has 4 divisors (see below), whose sum is σ = 105678720. Its totient is φ = 103162396.

The previous prime is 104420521. The next prime is 104420573. The reversal of 104420557 is 755024401.

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.

It is a cyclic number.

It is not a de Polignac number, because 104420557 - 2⁷ = 104420429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104420507) 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, 628957 + ... + 629122.

It is an arithmetic number, because the mean of its divisors is an integer number (26419680).

Almost surely, 2^104420557 is an apocalyptic number.

It is an amenable number.

104420557 is a deficient number, since it is larger than the sum of its proper divisors (1258163).

104420557 is an equidigital number, since it uses as much as digits as its factorization.

104420557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258162.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 104420557 is about 10218.6377272120. The cubic root of 104420557 is about 470.8999762056.

Adding to 104420557 its reverse (755024401), we get a palindrome (859444958).

The spelling of 104420557 in words is "one hundred four million, four hundred twenty thousand, five hundred fifty-seven".