104251487 has 4 divisors (see below), whose sum is σ = 104367336. Its totient is φ = 104135640.

The previous prime is 104251453. The next prime is 104251489. The reversal of 104251487 is 784152401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784152401 = 19 ⋅41271179.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104251487 is a prime.

It is a super-2 number, since 2×104251487² = 21736745083422338, 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 (104251489) 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, 56564 + ... + 58377.

It is an arithmetic number, because the mean of its divisors is an integer number (26091834).

Almost surely, 2^104251487 is an apocalyptic number.

104251487 is a deficient number, since it is larger than the sum of its proper divisors (115849).

104251487 is an equidigital number, since it uses as much as digits as its factorization.

104251487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115848.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 104251487 is about 10210.3617467747. The cubic root of 104251487 is about 470.6456901758.

The spelling of 104251487 in words is "one hundred four million, two hundred fifty-one thousand, four hundred eighty-seven".