122725115501 has 8 divisors (see below), whose sum is σ = 130477236480. Its totient is φ = 115174348432.

The previous prime is 122725115449. The next prime is 122725115507. The reversal of 122725115501 is 105511527221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122725115501 is a prime.

It is a super-2 number, since 2×122725115501² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122725115507) 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, 50337221 + ... + 50339658.

It is an arithmetic number, because the mean of its divisors is an integer number (16309654560).

Almost surely, 2^122725115501 is an apocalyptic number.

It is an amenable number.

122725115501 is a deficient number, since it is larger than the sum of its proper divisors (7752120979).

122725115501 is a wasteful number, since it uses less digits than its factorization.

122725115501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100676955.

The product of its (nonzero) digits is 7000, while the sum is 32.

The spelling of 122725115501 in words is "one hundred twenty-two billion, seven hundred twenty-five million, one hundred fifteen thousand, five hundred one".