15420108 has 24 divisors (see below), whose sum is σ = 39251520. Its totient is φ = 4672720.

The previous prime is 15420107. The next prime is 15420131. The reversal of 15420108 is 80102451.

It is not an unprimeable number, because it can be changed into a prime (15420103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58278 + ... + 58541.

It is an arithmetic number, because the mean of its divisors is an integer number (1635480).

Almost surely, 2^15420108 is an apocalyptic number.

It is an amenable number.

15420108 is an abundant number, since it is smaller than the sum of its proper divisors (23831412).

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

15420108 is a wasteful number, since it uses less digits than its factorization.

15420108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116837 (or 116835 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 15420108 is about 3926.8445347378. The cubic root of 15420108 is about 248.9024310883.

Adding to 15420108 its reverse (80102451), we get a palindrome (95522559).

The spelling of 15420108 in words is "fifteen million, four hundred twenty thousand, one hundred eight".