122256699 has 12 divisors (see below), whose sum is σ = 163910904. Its totient is φ = 81055744.

The previous prime is 122256623. The next prime is 122256727. The reversal of 122256699 is 996652221.

It is not a de Polignac number, because 122256699 - 2⁹ = 122256187 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 122256699.

It is not an unprimeable number, because it can be changed into a prime (126256699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197839 + ... + 198455.

It is an arithmetic number, because the mean of its divisors is an integer number (13659242).

Almost surely, 2^122256699 is an apocalyptic number.

122256699 is a deficient number, since it is larger than the sum of its proper divisors (41654205).

122256699 is an frugal number, since it uses more digits than its factorization.

122256699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 877 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 122256699 is about 11056.9751288497. The cubic root of 122256699 is about 496.3151761900.

The spelling of 122256699 in words is "one hundred twenty-two million, two hundred fifty-six thousand, six hundred ninety-nine".