122555013 has 8 divisors (see below), whose sum is σ = 186750528. Its totient is φ = 70031424.

The previous prime is 122555009. The next prime is 122555051. The reversal of 122555013 is 310555221.

It is a happy number.

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

It is not a de Polignac number, because 122555013 - 2² = 122555009 is a prime.

It is a super-2 number, since 2×122555013² = 30039462422860338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555003) 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, 2917956 + ... + 2917997.

It is an arithmetic number, because the mean of its divisors is an integer number (23343816).

Almost surely, 2^122555013 is an apocalyptic number.

It is an amenable number.

122555013 is a deficient number, since it is larger than the sum of its proper divisors (64195515).

122555013 is an equidigital number, since it uses as much as digits as its factorization.

122555013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835963.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 122555013 is about 11070.4567656443. The cubic root of 122555013 is about 496.7185283342.

The spelling of 122555013 in words is "one hundred twenty-two million, five hundred fifty-five thousand, thirteen".