122625005 has 4 divisors (see below), whose sum is σ = 147150012. Its totient is φ = 98100000.

The previous prime is 122624969. The next prime is 122625011. The reversal of 122625005 is 500526221.

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 94439524 + 28185481 = 9718^2 + 5309^2 .

It is not a de Polignac number, because 122625005 - 2¹⁰ = 122623981 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 12262496 + ... + 12262505.

It is an arithmetic number, because the mean of its divisors is an integer number (36787503).

Almost surely, 2^122625005 is an apocalyptic number.

It is an amenable number.

122625005 is a deficient number, since it is larger than the sum of its proper divisors (24525007).

122625005 is an equidigital number, since it uses as much as digits as its factorization.

122625005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24525006.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 122625005 is about 11073.6175209369. The cubic root of 122625005 is about 496.8130701133.

The spelling of 122625005 in words is "one hundred twenty-two million, six hundred twenty-five thousand, five".