122745725519 has 8 divisors (see below), whose sum is σ = 125506268160. Its totient is φ = 120015353016.

The previous prime is 122745725497. The next prime is 122745725521. The reversal of 122745725519 is 915527547221.

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 122745725519 - 2¹⁶ = 122745659983 is a prime.

It is a super-2 number, since 2×122745725519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122745725569) 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, 7534307 + ... + 7550580.

It is an arithmetic number, because the mean of its divisors is an integer number (15688283520).

Almost surely, 2^122745725519 is an apocalyptic number.

122745725519 is a deficient number, since it is larger than the sum of its proper divisors (2760542641).

122745725519 is a wasteful number, since it uses less digits than its factorization.

122745725519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085069.

The product of its digits is 1764000, while the sum is 50.

The spelling of 122745725519 in words is "one hundred twenty-two billion, seven hundred forty-five million, seven hundred twenty-five thousand, five hundred nineteen".