122561252707 has 8 divisors (see below), whose sum is σ = 127363939200. Its totient is φ = 117811634880.

The previous prime is 122561252699. The next prime is 122561252711. The reversal of 122561252707 is 707252165221.

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 122561252707 - 2³ = 122561252699 is a prime.

It is a super-2 number, since 2×122561252707² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122561252707.

It is not an unprimeable number, because it can be changed into a prime (122561252747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13262458 + ... + 13271695.

It is an arithmetic number, because the mean of its divisors is an integer number (15920492400).

Almost surely, 2^122561252707 is an apocalyptic number.

122561252707 is a deficient number, since it is larger than the sum of its proper divisors (4802686493).

122561252707 is a wasteful number, since it uses less digits than its factorization.

122561252707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26534333.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 122561252707 in words is "one hundred twenty-two billion, five hundred sixty-one million, two hundred fifty-two thousand, seven hundred seven".