122720766430 has 8 divisors (see below), whose sum is σ = 220897379592. Its totient is φ = 49088306568.

The previous prime is 122720766407. The next prime is 122720766437. The reversal of 122720766430 is 34667027221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122720766430² (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 (122720766437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6136038312 + ... + 6136038331.

It is an arithmetic number, because the mean of its divisors is an integer number (27612172449).

Almost surely, 2^122720766430 is an apocalyptic number.

122720766430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122720766430 is a deficient number, since it is larger than the sum of its proper divisors (98176613162).

122720766430 is a wasteful number, since it uses less digits than its factorization.

122720766430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272076650.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 122720766430 in words is "one hundred twenty-two billion, seven hundred twenty million, seven hundred sixty-six thousand, four hundred thirty".