122249601 has 24 divisors (see below), whose sum is σ = 192403040. Its totient is φ = 76700736.

The previous prime is 122249579. The next prime is 122249609. The reversal of 122249601 is 106942221.

122249601 is a `hidden beast` number, since 12 + 2 + 2 + 49 + 601 = 666.

It is not a de Polignac number, because 122249601 - 2⁶ = 122249537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122249609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31 + ... + 15636.

Almost surely, 2^122249601 is an apocalyptic number.

It is an amenable number.

122249601 is a deficient number, since it is larger than the sum of its proper divisors (70153439).

122249601 is a wasteful number, since it uses less digits than its factorization.

122249601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15710 (or 15687 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 122249601 is about 11056.6541503296. The cubic root of 122249601 is about 496.3055709541.

The spelling of 122249601 in words is "one hundred twenty-two million, two hundred forty-nine thousand, six hundred one".