122001003731 has 2 divisors, whose sum is σ = 122001003732. Its totient is φ = 122001003730.

The previous prime is 122001003689. The next prime is 122001003763. The reversal of 122001003731 is 137300100221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122001003731 is a prime.

It is a super-2 number, since 2×122001003731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122001003791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000501865 + 61000501866.

It is an arithmetic number, because the mean of its divisors is an integer number (61000501866).

Almost surely, 2^122001003731 is an apocalyptic number.

122001003731 is a deficient number, since it is larger than the sum of its proper divisors (1).

122001003731 is an equidigital number, since it uses as much as digits as its factorization.

122001003731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 122001003731 its reverse (137300100221), we get a palindrome (259301103952).

The spelling of 122001003731 in words is "one hundred twenty-two billion, one million, three thousand, seven hundred thirty-one".