122113206 has 24 divisors (see below), whose sum is σ = 270733320. Its totient is φ = 39757536.

The previous prime is 122113139. The next prime is 122113207. The reversal of 122113206 is 602311221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122113207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78111 + ... + 79658.

It is an arithmetic number, because the mean of its divisors is an integer number (11280555).

Almost surely, 2^122113206 is an apocalyptic number.

122113206 is an abundant number, since it is smaller than the sum of its proper divisors (148620114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122113206 is a wasteful number, since it uses less digits than its factorization.

122113206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157820 (or 157817 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 122113206 is about 11050.4844237708. The cubic root of 122113206 is about 496.1209247089.

Adding to 122113206 its reverse (602311221), we get a palindrome (724424427).

The spelling of 122113206 in words is "one hundred twenty-two million, one hundred thirteen thousand, two hundred six".