124543242 has 12 divisors (see below), whose sum is σ = 269843730. Its totient is φ = 41514408.

The previous prime is 124543231. The next prime is 124543249. The reversal of 124543242 is 242345421.

It can be written as a sum of positive squares in only one way, i.e., 105698961 + 18844281 = 10281^2 + 4341^2 .

It is a super-2 number, since 2×124543242² = 31022038255741128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124543249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3459517 + ... + 3459552.

Almost surely, 2^124543242 is an apocalyptic number.

124543242 is an abundant number, since it is smaller than the sum of its proper divisors (145300488).

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

124543242 is a wasteful number, since it uses less digits than its factorization.

124543242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6919077 (or 6919074 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 124543242 is about 11159.8943543387. The cubic root of 124543242 is about 499.3902460358.

Adding to 124543242 its reverse (242345421), we get a palindrome (366888663).

The spelling of 124543242 in words is "one hundred twenty-four million, five hundred forty-three thousand, two hundred forty-two".