122057245 has 8 divisors (see below), whose sum is σ = 146544984. Its totient is φ = 97594944.

The previous prime is 122057239. The next prime is 122057269. The reversal of 122057245 is 542750221.

It can be written as a sum of positive squares in 4 ways, for example, as 2679769 + 119377476 = 1637^2 + 10926^2 .

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 122057245 - 2⁹ = 122056733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6607 + ... + 16963.

It is an arithmetic number, because the mean of its divisors is an integer number (18318123).

Almost surely, 2^122057245 is an apocalyptic number.

It is an amenable number.

122057245 is a deficient number, since it is larger than the sum of its proper divisors (24487739).

122057245 is a wasteful number, since it uses less digits than its factorization.

122057245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12719.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 122057245 is about 11047.9520726694. The cubic root of 122057245 is about 496.0451271051.

The spelling of 122057245 in words is "one hundred twenty-two million, fifty-seven thousand, two hundred forty-five".