122725101 has 8 divisors (see below), whose sum is σ = 164193120. Its totient is φ = 81536912.

The previous prime is 122725087. The next prime is 122725111. The reversal of 122725101 is 101527221.

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 122725101 - 2²³ = 114336493 is a prime.

It is a super-2 number, since 2×122725101² = 30122900830920402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122725111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68931 + ... + 70688.

It is an arithmetic number, because the mean of its divisors is an integer number (20524140).

Almost surely, 2^122725101 is an apocalyptic number.

It is an amenable number.

122725101 is a deficient number, since it is larger than the sum of its proper divisors (41468019).

122725101 is a wasteful number, since it uses less digits than its factorization.

122725101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139915.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 122725101 is about 11078.1361699521. The cubic root of 122725101 is about 496.9482124151.

The spelling of 122725101 in words is "one hundred twenty-two million, seven hundred twenty-five thousand, one hundred one".