122100531 has 8 divisors (see below), whose sum is σ = 186057984. Its totient is φ = 69771720.

The previous prime is 122100497. The next prime is 122100541. The reversal of 122100531 is 135001221.

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

It is not a de Polignac number, because 122100531 - 2¹⁰ = 122099507 is a prime.

It is a super-2 number, since 2×122100531² = 29817079340963922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122100531.

It is not an unprimeable number, because it can be changed into a prime (122100541) 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, 2907135 + ... + 2907176.

It is an arithmetic number, because the mean of its divisors is an integer number (23257248).

Almost surely, 2^122100531 is an apocalyptic number.

122100531 is a deficient number, since it is larger than the sum of its proper divisors (63957453).

122100531 is an equidigital number, since it uses as much as digits as its factorization.

122100531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814321.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 122100531 is about 11049.9109046182. The cubic root of 122100531 is about 496.1037588060.

Adding to 122100531 its reverse (135001221), we get a palindrome (257101752).

The spelling of 122100531 in words is "one hundred twenty-two million, one hundred thousand, five hundred thirty-one".