122603649 has 16 divisors (see below), whose sum is σ = 187559808. Its totient is φ = 69783552.

The previous prime is 122603627. The next prime is 122603651. The reversal of 122603649 is 946306221.

It is not a de Polignac number, because 122603649 - 2⁵ = 122603617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122603659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5962 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (11722488).

Almost surely, 2^122603649 is an apocalyptic number.

It is an amenable number.

122603649 is a deficient number, since it is larger than the sum of its proper divisors (64956159).

122603649 is a wasteful number, since it uses less digits than its factorization.

122603649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22984.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 122603649 is about 11072.6532050814. The cubic root of 122603649 is about 496.7842272849.

The spelling of 122603649 in words is "one hundred twenty-two million, six hundred three thousand, six hundred forty-nine".