122725447 has 8 divisors (see below), whose sum is σ = 137912544. Its totient is φ = 108359328.

The previous prime is 122725439. The next prime is 122725459. The reversal of 122725447 is 744527221.

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 122725447 - 2³ = 122725439 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 (122725147) 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, 204928 + ... + 205525.

It is an arithmetic number, because the mean of its divisors is an integer number (17239068).

Almost surely, 2^122725447 is an apocalyptic number.

122725447 is a deficient number, since it is larger than the sum of its proper divisors (15187097).

122725447 is a wasteful number, since it uses less digits than its factorization.

122725447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410489.

The product of its digits is 31360, while the sum is 34.

The square root of 122725447 is about 11078.1517862864. The cubic root of 122725447 is about 496.9486794316.

The spelling of 122725447 in words is "one hundred twenty-two million, seven hundred twenty-five thousand, four hundred forty-seven".