122419719247 has 16 divisors (see below), whose sum is σ = 146004498432. Its totient is φ = 100359832320.

The previous prime is 122419719239. The next prime is 122419719259. The reversal of 122419719247 is 742917914221.

It is a cyclic number.

It is not a de Polignac number, because 122419719247 - 2³ = 122419719239 is a prime.

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 122419719247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122419719287) 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, 2179743 + ... + 2235199.

It is an arithmetic number, because the mean of its divisors is an integer number (9125281152).

Almost surely, 2^122419719247 is an apocalyptic number.

122419719247 is a deficient number, since it is larger than the sum of its proper divisors (23584779185).

122419719247 is a wasteful number, since it uses less digits than its factorization.

122419719247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69198.

The product of its digits is 508032, while the sum is 49.

The spelling of 122419719247 in words is "one hundred twenty-two billion, four hundred nineteen million, seven hundred nineteen thousand, two hundred forty-seven".