122558853 has 4 divisors (see below), whose sum is σ = 163411808. Its totient is φ = 81705900.

The previous prime is 122558827. The next prime is 122558861. The reversal of 122558853 is 358855221.

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 not a de Polignac number, because 122558853 - 2¹⁶ = 122493317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122558893) 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, 20426473 + ... + 20426478.

It is an arithmetic number, because the mean of its divisors is an integer number (40852952).

Almost surely, 2^122558853 is an apocalyptic number.

It is an amenable number.

122558853 is a deficient number, since it is larger than the sum of its proper divisors (40852955).

122558853 is an equidigital number, since it uses as much as digits as its factorization.

122558853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40852954.

The product of its digits is 96000, while the sum is 39.

The square root of 122558853 is about 11070.6301988640. The cubic root of 122558853 is about 496.7237161520.

The spelling of 122558853 in words is "one hundred twenty-two million, five hundred fifty-eight thousand, eight hundred fifty-three".