122255513 has 8 divisors (see below), whose sum is σ = 123303936. Its totient is φ = 121212000.

The previous prime is 122255501. The next prime is 122255521. The reversal of 122255513 is 315552221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122255513 is a prime.

It is a super-4 number, since 4×122255513⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122255533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61688 + ... + 63638.

It is an arithmetic number, because the mean of its divisors is an integer number (15412992).

Almost surely, 2^122255513 is an apocalyptic number.

It is an amenable number.

122255513 is a deficient number, since it is larger than the sum of its proper divisors (1048423).

122255513 is a wasteful number, since it uses less digits than its factorization.

122255513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455.

The product of its digits is 3000, while the sum is 26.

The square root of 122255513 is about 11056.9214974151. The cubic root of 122255513 is about 496.3135712835.

The spelling of 122255513 in words is "one hundred twenty-two million, two hundred fifty-five thousand, five hundred thirteen".