122055553 has 4 divisors (see below), whose sum is σ = 123600640. Its totient is φ = 120510468.

The previous prime is 122055539. The next prime is 122055559. The reversal of 122055553 is 355550221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122055553 - 2²¹ = 119958401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122055559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772425 + ... + 772582.

It is an arithmetic number, because the mean of its divisors is an integer number (30900160).

Almost surely, 2^122055553 is an apocalyptic number.

It is an amenable number.

122055553 is a deficient number, since it is larger than the sum of its proper divisors (1545087).

122055553 is an equidigital number, since it uses as much as digits as its factorization.

122055553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545086.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 122055553 is about 11047.8754971261. The cubic root of 122055553 is about 496.0428349778.

The spelling of 122055553 in words is "one hundred twenty-two million, fifty-five thousand, five hundred fifty-three".