124242442 has 4 divisors (see below), whose sum is σ = 186363666. Its totient is φ = 62121220.

The previous prime is 124242439. The next prime is 124242457. The reversal of 124242442 is 244242421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 111703761 + 12538681 = 10569^2 + 3541^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31060609 + ... + 31060612.

Almost surely, 2^124242442 is an apocalyptic number.

124242442 is a deficient number, since it is larger than the sum of its proper divisors (62121224).

124242442 is an equidigital number, since it uses as much as digits as its factorization.

124242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62121223.

The product of its digits is 4096, while the sum is 25.

The square root of 124242442 is about 11146.4093770146. The cubic root of 124242442 is about 498.9878752561.

Adding to 124242442 its reverse (244242421), we get a palindrome (368484863).

The spelling of 124242442 in words is "one hundred twenty-four million, two hundred forty-two thousand, four hundred forty-two".