122440856 has 16 divisors (see below), whose sum is σ = 232722600. Its totient is φ = 60381504.

The previous prime is 122440837. The next prime is 122440859. The reversal of 122440856 is 658044221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122440859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104246 + ... + 105413.

Almost surely, 2^122440856 is an apocalyptic number.

It is an amenable number.

122440856 is a deficient number, since it is larger than the sum of its proper divisors (110281744).

122440856 is a wasteful number, since it uses less digits than its factorization.

122440856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209738 (or 209734 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 122440856 is about 11065.2996344428. The cubic root of 122440856 is about 496.5642533658.

The spelling of 122440856 in words is "one hundred twenty-two million, four hundred forty thousand, eight hundred fifty-six".