122743452 has 48 divisors (see below), whose sum is σ = 311467520. Its totient is φ = 37395648.

The previous prime is 122743447. The next prime is 122743459. The reversal of 122743452 is 254347221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122743459) 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, 12249 + ... + 19887.

Almost surely, 2^122743452 is an apocalyptic number.

122743452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122743452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155733760).

122743452 is an abundant number, since it is smaller than the sum of its proper divisors (188724068).

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

122743452 is a wasteful number, since it uses less digits than its factorization.

122743452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762 (or 7760 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 122743452 is about 11078.9643920359. The cubic root of 122743452 is about 496.9729806222.

The spelling of 122743452 in words is "one hundred twenty-two million, seven hundred forty-three thousand, four hundred fifty-two".