122508245 has 8 divisors (see below), whose sum is σ = 147382584. Its totient is φ = 97758144.

The previous prime is 122508241. The next prime is 122508271. The reversal of 122508245 is 542805221.

It can be written as a sum of positive squares in 4 ways, for example, as 3632836 + 118875409 = 1906^2 + 10903^2 .

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 122508245 - 2² = 122508241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122508241) 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, 28874 + ... + 32843.

It is an arithmetic number, because the mean of its divisors is an integer number (18422823).

Almost surely, 2^122508245 is an apocalyptic number.

It is an amenable number.

122508245 is a deficient number, since it is larger than the sum of its proper divisors (24874339).

122508245 is an equidigital number, since it uses as much as digits as its factorization.

122508245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62119.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 122508245 is about 11068.3442754551. The cubic root of 122508245 is about 496.6553363380.

The spelling of 122508245 in words is "one hundred twenty-two million, five hundred eight thousand, two hundred forty-five".