122650478 has 16 divisors (see below), whose sum is σ = 195973344. Its totient is φ = 57369600.

The previous prime is 122650471. The next prime is 122650481. The reversal of 122650478 is 874056221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122650471) 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, 5123 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (12248334).

Almost surely, 2^122650478 is an apocalyptic number.

122650478 is a deficient number, since it is larger than the sum of its proper divisors (73322866).

122650478 is a wasteful number, since it uses less digits than its factorization.

122650478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21787.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 122650478 is about 11074.7676273590. The cubic root of 122650478 is about 496.8474688700.

The spelling of 122650478 in words is "one hundred twenty-two million, six hundred fifty thousand, four hundred seventy-eight".