122144407125 has 128 divisors (see below), whose sum is σ = 232230136320. Its totient is φ = 56480256000.

The previous prime is 122144407123. The next prime is 122144407139. The reversal of 122144407125 is 521704441221.

It is not a de Polignac number, because 122144407125 - 2¹ = 122144407123 is a prime.

It is a super-3 number, since 3×122144407125³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144407123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51298435 + ... + 51300815.

It is an arithmetic number, because the mean of its divisors is an integer number (1814297940).

Almost surely, 2^122144407125 is an apocalyptic number.

122144407125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122144407125 is a deficient number, since it is larger than the sum of its proper divisors (110085729195).

122144407125 is a wasteful number, since it uses less digits than its factorization.

122144407125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

Adding to 122144407125 its reverse (521704441221), we get a palindrome (643848848346).

The spelling of 122144407125 in words is "one hundred twenty-two billion, one hundred forty-four million, four hundred seven thousand, one hundred twenty-five".