122470394 has 4 divisors (see below), whose sum is σ = 183705594. Its totient is φ = 61235196.

The previous prime is 122470351. The next prime is 122470427. The reversal of 122470394 is 493074221.

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

It can be written as a sum of positive squares in only one way, i.e., 109474369 + 12996025 = 10463^2 + 3605^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122470394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30617597 + ... + 30617600.

Almost surely, 2^122470394 is an apocalyptic number.

122470394 is a deficient number, since it is larger than the sum of its proper divisors (61235200).

122470394 is an equidigital number, since it uses as much as digits as its factorization.

122470394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61235199.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 122470394 is about 11066.6342670208. The cubic root of 122470394 is about 496.6041810394.

The spelling of 122470394 in words is "one hundred twenty-two million, four hundred seventy thousand, three hundred ninety-four".