122113243 has 12 divisors (see below), whose sum is σ = 142930920. Its totient is φ = 104019552.

The previous prime is 122113231. The next prime is 122113253. The reversal of 122113243 is 342311221.

It is a happy number.

It is not a de Polignac number, because 122113243 - 2¹⁷ = 121982171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122113243.

It is not an unprimeable number, because it can be changed into a prime (122113213) 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, 343 + ... + 15631.

It is an arithmetic number, because the mean of its divisors is an integer number (11910910).

Almost surely, 2^122113243 is an apocalyptic number.

122113243 is a deficient number, since it is larger than the sum of its proper divisors (20817677).

122113243 is a wasteful number, since it uses less digits than its factorization.

122113243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466 (or 15459 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 122113243 is about 11050.4860979054. The cubic root of 122113243 is about 496.1209748167.

Adding to 122113243 its reverse (342311221), we get a palindrome (464424464).

The spelling of 122113243 in words is "one hundred twenty-two million, one hundred thirteen thousand, two hundred forty-three".