104501551 has 8 divisors (see below), whose sum is σ = 130287744. Its totient is φ = 81429720.

The previous prime is 104501543. The next prime is 104501557. The reversal of 104501551 is 155105401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104501551 - 2³ = 104501543 is a prime.

It is a super-2 number, since 2×104501551² = 21841148322811202, 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 (104501557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678505 + ... + 678658.

It is an arithmetic number, because the mean of its divisors is an integer number (16285968).

Almost surely, 2^104501551 is an apocalyptic number.

104501551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104501551 is a deficient number, since it is larger than the sum of its proper divisors (25786193).

104501551 is a wasteful number, since it uses less digits than its factorization.

104501551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357181.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 104501551 is about 10222.6000117387. The cubic root of 104501551 is about 471.0216962221.

Adding to 104501551 its reverse (155105401), we get a palindrome (259606952).

The spelling of 104501551 in words is "one hundred four million, five hundred one thousand, five hundred fifty-one".