122078757 has 8 divisors (see below), whose sum is σ = 165201376. Its totient is φ = 80170992.

The previous prime is 122078741. The next prime is 122078767. The reversal of 122078757 is 757870221.

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

It is not a de Polignac number, because 122078757 - 2⁴ = 122078741 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 (122078767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303478 + ... + 303879.

It is an arithmetic number, because the mean of its divisors is an integer number (20650172).

Almost surely, 2^122078757 is an apocalyptic number.

It is an amenable number.

122078757 is a deficient number, since it is larger than the sum of its proper divisors (43122619).

122078757 is an equidigital number, since it uses as much as digits as its factorization.

122078757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607427.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 122078757 is about 11048.9256038766. The cubic root of 122078757 is about 496.0742672460.

The spelling of 122078757 in words is "one hundred twenty-two million, seventy-eight thousand, seven hundred fifty-seven".