122077670647 has 8 divisors (see below), whose sum is σ = 123714831744. Its totient is φ = 120444470328.

The previous prime is 122077670641. The next prime is 122077670651. The reversal of 122077670647 is 746076770221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122077670647 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 122077670647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122077670641) 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, 928113 + ... + 1051450.

It is an arithmetic number, because the mean of its divisors is an integer number (15464353968).

Almost surely, 2^122077670647 is an apocalyptic number.

122077670647 is a deficient number, since it is larger than the sum of its proper divisors (1637161097).

122077670647 is an equidigital number, since it uses as much as digits as its factorization.

122077670647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980389.

The product of its (nonzero) digits is 1382976, while the sum is 49.

The spelling of 122077670647 in words is "one hundred twenty-two billion, seventy-seven million, six hundred seventy thousand, six hundred forty-seven".