122113906 has 8 divisors (see below), whose sum is σ = 183431340. Its totient is φ = 60970128.

The previous prime is 122113883. The next prime is 122113913. The reversal of 122113906 is 609311221.

It can be written as a sum of positive squares in 2 ways, for example, as 84180625 + 37933281 = 9175^2 + 6159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41641 + ... + 44476.

Almost surely, 2^122113906 is an apocalyptic number.

122113906 is a deficient number, since it is larger than the sum of its proper divisors (61317434).

122113906 is an equidigital number, since it uses as much as digits as its factorization.

122113906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86828.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 122113906 is about 11050.5160965450. The cubic root of 122113906 is about 496.1218726926.

The spelling of 122113906 in words is "one hundred twenty-two million, one hundred thirteen thousand, nine hundred six".