122345255 has 4 divisors (see below), whose sum is σ = 146814312. Its totient is φ = 97876200.

The previous prime is 122345231. The next prime is 122345261. The reversal of 122345255 is 552543221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552543221 = 811 ⋅681311.

It is not a de Polignac number, because 122345255 - 2¹⁰ = 122344231 is a prime.

It is a super-2 number, since 2×122345255² = 29936722842030050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12234521 + ... + 12234530.

It is an arithmetic number, because the mean of its divisors is an integer number (36703578).

Almost surely, 2^122345255 is an apocalyptic number.

122345255 is a deficient number, since it is larger than the sum of its proper divisors (24469057).

122345255 is an equidigital number, since it uses as much as digits as its factorization.

122345255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24469056.

The product of its digits is 12000, while the sum is 29.

The square root of 122345255 is about 11060.9789349768. The cubic root of 122345255 is about 496.4349817012.

Adding to 122345255 its reverse (552543221), we get a palindrome (674888476).

The spelling of 122345255 in words is "one hundred twenty-two million, three hundred forty-five thousand, two hundred fifty-five".