122870999 has 8 divisors (see below), whose sum is σ = 127238160. Its totient is φ = 118512576.

The previous prime is 122870987. The next prime is 122871029. The reversal of 122870999 is 999078221.

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 122870999 - 2⁴ = 122870983 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 (122875999) 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, 41579 + ... + 44435.

It is an arithmetic number, because the mean of its divisors is an integer number (15904770).

Almost surely, 2^122870999 is an apocalyptic number.

122870999 is a deficient number, since it is larger than the sum of its proper divisors (4367161).

122870999 is a wasteful number, since it uses less digits than its factorization.

122870999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 122870999 is about 11084.7191664922. The cubic root of 122870999 is about 497.1450616806.

It can be divided in two parts, 1228 and 70999, that added together give a palindrome (72227).

The spelling of 122870999 in words is "one hundred twenty-two million, eight hundred seventy thousand, nine hundred ninety-nine".