122028013 has 16 divisors (see below), whose sum is σ = 132249600. Its totient is φ = 112216320.

The previous prime is 122028001. The next prime is 122028019. The reversal of 122028013 is 310820221.

It is a cyclic number.

It is not a de Polignac number, because 122028013 - 2⁵ = 122027981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122028019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298153 + ... + 298561.

It is an arithmetic number, because the mean of its divisors is an integer number (8265600).

Almost surely, 2^122028013 is an apocalyptic number.

It is an amenable number.

122028013 is a deficient number, since it is larger than the sum of its proper divisors (10221587).

122028013 is a wasteful number, since it uses less digits than its factorization.

122028013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 122028013 is about 11046.6290333296. The cubic root of 122028013 is about 496.0055239694.

Adding to 122028013 its reverse (310820221), we get a palindrome (432848234).

The spelling of 122028013 in words is "one hundred twenty-two million, twenty-eight thousand, thirteen".