104128902 has 28 divisors (see below), whose sum is σ = 234186180. Its totient is φ = 34709148.

The previous prime is 104128901. The next prime is 104128903. The reversal of 104128902 is 209821401.

It is an interprime number because it is at equal distance from previous prime (104128901) and next prime (104128903).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104128901) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 34252 + ... + 37167.

Almost surely, 2^104128902 is an apocalyptic number.

104128902 is an abundant number, since it is smaller than the sum of its proper divisors (130057278).

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

104128902 is an frugal number, since it uses more digits than its factorization.

104128902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71439 (or 71424 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 104128902 is about 10204.3570106107. The cubic root of 104128902 is about 470.4611469086.

The spelling of 104128902 in words is "one hundred four million, one hundred twenty-eight thousand, nine hundred two".