122551003919 has 2 divisors, whose sum is σ = 122551003920. Its totient is φ = 122551003918.

The previous prime is 122551003907. The next prime is 122551004041. The reversal of 122551003919 is 919300155221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122551003919 is a prime.

It is a super-2 number, since 2×122551003919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122551002919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61275501959 + 61275501960.

It is an arithmetic number, because the mean of its divisors is an integer number (61275501960).

Almost surely, 2^122551003919 is an apocalyptic number.

122551003919 is a deficient number, since it is larger than the sum of its proper divisors (1).

122551003919 is an equidigital number, since it uses as much as digits as its factorization.

122551003919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 38.

The spelling of 122551003919 in words is "one hundred twenty-two billion, five hundred fifty-one million, three thousand, nine hundred nineteen".