122455544 has 32 divisors (see below), whose sum is σ = 233694720. Its totient is φ = 60146016.

The previous prime is 122455537. The next prime is 122455547. The reversal of 122455544 is 445554221.

It is a self number, because there is not a number n which added to its sum of digits gives 122455544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122455547) 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, 147659 + ... + 148485.

It is an arithmetic number, because the mean of its divisors is an integer number (7302960).

Almost surely, 2^122455544 is an apocalyptic number.

It is an amenable number.

122455544 is a deficient number, since it is larger than the sum of its proper divisors (111239176).

122455544 is a wasteful number, since it uses less digits than its factorization.

122455544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1135 counting only the distinct ones).

The product of its digits is 32000, while the sum is 32.

The square root of 122455544 is about 11065.9633109820. The cubic root of 122455544 is about 496.5841085143.

The spelling of 122455544 in words is "one hundred twenty-two million, four hundred fifty-five thousand, five hundred forty-four".