122906645 has 8 divisors (see below), whose sum is σ = 150626304. Its totient is φ = 96233104.

The previous prime is 122906627. The next prime is 122906657. The reversal of 122906645 is 546609221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122906645 - 2⁸ = 122906389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 261269 + ... + 261738.

It is an arithmetic number, because the mean of its divisors is an integer number (18828288).

Almost surely, 2^122906645 is an apocalyptic number.

It is an amenable number.

122906645 is a deficient number, since it is larger than the sum of its proper divisors (27719659).

122906645 is an equidigital number, since it uses as much as digits as its factorization.

122906645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523059.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 122906645 is about 11086.3269390723. The cubic root of 122906645 is about 497.1931324746.

The spelling of 122906645 in words is "one hundred twenty-two million, nine hundred six thousand, six hundred forty-five".