122257039 has 8 divisors (see below), whose sum is σ = 131831280. Its totient is φ = 112996800.

The previous prime is 122257007. The next prime is 122257063. The reversal of 122257039 is 930752221.

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

It is not a de Polignac number, because 122257039 - 2⁵ = 122257007 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 122257039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122257099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77692 + ... + 79249.

It is an arithmetic number, because the mean of its divisors is an integer number (16478910).

Almost surely, 2^122257039 is an apocalyptic number.

122257039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

122257039 is a deficient number, since it is larger than the sum of its proper divisors (9574241).

122257039 is a wasteful number, since it uses less digits than its factorization.

122257039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157001.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 122257039 is about 11056.9905037492. The cubic root of 122257039 is about 496.3156362793.

The spelling of 122257039 in words is "one hundred twenty-two million, two hundred fifty-seven thousand, thirty-nine".