122017642357 has 8 divisors (see below), whose sum is σ = 131407930080. Its totient is φ = 112627971120.

The previous prime is 122017642339. The next prime is 122017642367. The reversal of 122017642357 is 753246710221.

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

It is a cyclic number.

It is not a de Polignac number, because 122017642357 - 2¹⁵ = 122017609589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122017642367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308382 + ... + 582352.

It is an arithmetic number, because the mean of its divisors is an integer number (16425991260).

Almost surely, 2^122017642357 is an apocalyptic number.

It is an amenable number.

122017642357 is a deficient number, since it is larger than the sum of its proper divisors (9390287723).

122017642357 is a wasteful number, since it uses less digits than its factorization.

122017642357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308243.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 122017642357 in words is "one hundred twenty-two billion, seventeen million, six hundred forty-two thousand, three hundred fifty-seven".