104120154 has 28 divisors (see below), whose sum is σ = 234166506. Its totient is φ = 34706232.

The previous prime is 104120153. The next prime is 104120161. The reversal of 104120154 is 451021401.

It can be written as a sum of positive squares in only one way, i.e., 88792929 + 15327225 = 9423^2 + 3915^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104120153) 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, 34249 + ... + 37164.

Almost surely, 2^104120154 is an apocalyptic number.

104120154 is an abundant number, since it is smaller than the sum of its proper divisors (130046352).

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

104120154 is an frugal number, since it uses more digits than its factorization.

104120154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71433 (or 71418 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 104120154 is about 10203.9283611754. The cubic root of 104120154 is about 470.4479718621.

Adding to 104120154 its reverse (451021401), we get a palindrome (555141555).

The spelling of 104120154 in words is "one hundred four million, one hundred twenty thousand, one hundred fifty-four".