122639190007 has 2 divisors, whose sum is σ = 122639190008. Its totient is φ = 122639190006.

The previous prime is 122639189999. The next prime is 122639190019. The reversal of 122639190007 is 700091936221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122639190007 - 2³ = 122639189999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122639190067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61319595003 + 61319595004.

It is an arithmetic number, because the mean of its divisors is an integer number (61319595004).

Almost surely, 2^122639190007 is an apocalyptic number.

122639190007 is a deficient number, since it is larger than the sum of its proper divisors (1).

122639190007 is an equidigital number, since it uses as much as digits as its factorization.

122639190007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 122639190007 in words is "one hundred twenty-two billion, six hundred thirty-nine million, one hundred ninety thousand, seven".