122640059 has 8 divisors (see below), whose sum is σ = 123895440. Its totient is φ = 121391136.

The previous prime is 122640019. The next prime is 122640103. The reversal of 122640059 is 950046221.

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 not a de Polignac number, because 122640059 - 2¹⁶ = 122574523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122640019) 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, 42449 + ... + 45245.

It is an arithmetic number, because the mean of its divisors is an integer number (15486930).

Almost surely, 2^122640059 is an apocalyptic number.

122640059 is a deficient number, since it is larger than the sum of its proper divisors (1255381).

122640059 is a wasteful number, since it uses less digits than its factorization.

122640059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 122640059 is about 11074.2972237519. The cubic root of 122640059 is about 496.8333996209.

The spelling of 122640059 in words is "one hundred twenty-two million, six hundred forty thousand, fifty-nine".