104240172 has 24 divisors (see below), whose sum is σ = 248403456. Its totient is φ = 34007248.

The previous prime is 104240167. The next prime is 104240173. The reversal of 104240172 is 271042401.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (104240173) 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, 91848 + ... + 92975.

It is an arithmetic number, because the mean of its divisors is an integer number (10350144).

Almost surely, 2^104240172 is an apocalyptic number.

104240172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104240172 is an abundant number, since it is smaller than the sum of its proper divisors (144163284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104240172 is a wasteful number, since it uses less digits than its factorization.

104240172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184877 (or 184875 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 104240172 is about 10209.8076377569. The cubic root of 104240172 is about 470.6286622855.

Adding to 104240172 its reverse (271042401), we get a palindrome (375282573).

It can be divided in two parts, 1042 and 40172, that added together give a palindrome (41214).

The spelling of 104240172 in words is "one hundred four million, two hundred forty thousand, one hundred seventy-two".