122051005 has 4 divisors (see below), whose sum is σ = 146461212. Its totient is φ = 97640800.

The previous prime is 122050991. The next prime is 122051047. The reversal of 122051005 is 500150221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50851161 + 71199844 = 7131^2 + 8438^2 .

It is not a de Polignac number, because 122051005 - 2¹⁷ = 121919933 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 122051005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12205096 + ... + 12205105.

It is an arithmetic number, because the mean of its divisors is an integer number (36615303).

Almost surely, 2^122051005 is an apocalyptic number.

It is an amenable number.

122051005 is a deficient number, since it is larger than the sum of its proper divisors (24410207).

122051005 is an equidigital number, since it uses as much as digits as its factorization.

122051005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24410206.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 122051005 is about 11047.6696637798. The cubic root of 122051005 is about 496.0366737646.

It can be divided in two parts, 1220 and 51005, that added together give a palindrome (52225).

The spelling of 122051005 in words is "one hundred twenty-two million, fifty-one thousand, five".