122744055 has 32 divisors (see below), whose sum is σ = 224930304. Its totient is φ = 55990656.

The previous prime is 122744021. The next prime is 122744057. The reversal of 122744055 is 550447221.

122744055 = 105² + 106² + ... + 717².

It is not a de Polignac number, because 122744055 - 2⁶ = 122743991 is a prime.

It is a super-2 number, since 2×122744055² = 30132206075686050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122744057) 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 31 ways as a sum of consecutive naturals, for example, 63412 + ... + 65318.

It is an arithmetic number, because the mean of its divisors is an integer number (7029072).

Almost surely, 2^122744055 is an apocalyptic number.

122744055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122744055 is a deficient number, since it is larger than the sum of its proper divisors (102186249).

122744055 is a wasteful number, since it uses less digits than its factorization.

122744055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 122744055 is about 11078.9916057374. The cubic root of 122744055 is about 496.9737944449.

The spelling of 122744055 in words is "one hundred twenty-two million, seven hundred forty-four thousand, fifty-five".