122003125431 has 16 divisors (see below), whose sum is σ = 177670644480. Its totient is φ = 73853141120.

The previous prime is 122003125423. The next prime is 122003125499. The reversal of 122003125431 is 134521300221.

It is not a de Polignac number, because 122003125431 - 2³ = 122003125423 is a prime.

It is a super-2 number, since 2×122003125431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003125931) 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, 2175570 + ... + 2230943.

It is an arithmetic number, because the mean of its divisors is an integer number (11104415280).

Almost surely, 2^122003125431 is an apocalyptic number.

122003125431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122003125431 is a deficient number, since it is larger than the sum of its proper divisors (55667519049).

122003125431 is a wasteful number, since it uses less digits than its factorization.

122003125431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4407366.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 122003125431 its reverse (134521300221), we get a palindrome (256524425652).

The spelling of 122003125431 in words is "one hundred twenty-two billion, three million, one hundred twenty-five thousand, four hundred thirty-one".