122144500127 has 16 divisors (see below), whose sum is σ = 133237722240. Its totient is φ = 111294473472.

The previous prime is 122144500123. The next prime is 122144500139. The reversal of 122144500127 is 721005441221.

It is not a de Polignac number, because 122144500127 - 2² = 122144500123 is a prime.

It is a super-2 number, since 2×122144500127² (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 122144500127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144500123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5078843 + ... + 5102835.

It is an arithmetic number, because the mean of its divisors is an integer number (8327357640).

Almost surely, 2^122144500127 is an apocalyptic number.

122144500127 is a deficient number, since it is larger than the sum of its proper divisors (11093222113).

122144500127 is a wasteful number, since it uses less digits than its factorization.

122144500127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29042.

The product of its (nonzero) digits is 4480, while the sum is 29.

Adding to 122144500127 its reverse (721005441221), we get a palindrome (843149941348).

The spelling of 122144500127 in words is "one hundred twenty-two billion, one hundred forty-four million, five hundred thousand, one hundred twenty-seven".