113121208 has 8 divisors (see below), whose sum is σ = 212102280. Its totient is φ = 56560600.

The previous prime is 113121187. The next prime is 113121209. The reversal of 113121208 is 802121311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113121209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7070068 + ... + 7070083.

It is an arithmetic number, because the mean of its divisors is an integer number (26512785).

Almost surely, 2^113121208 is an apocalyptic number.

It is an amenable number.

113121208 is a deficient number, since it is larger than the sum of its proper divisors (98981072).

113121208 is a wasteful number, since it uses less digits than its factorization.

113121208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14140157 (or 14140153 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 113121208 is about 10635.8454294898. The cubic root of 113121208 is about 483.6316095737.

Adding to 113121208 its reverse (802121311), we get a palindrome (915242519).

The spelling of 113121208 in words is "one hundred thirteen million, one hundred twenty-one thousand, two hundred eight".