124421442 has 32 divisors (see below), whose sum is σ = 255087360. Its totient is φ = 40444560.

The previous prime is 124421431. The next prime is 124421447. The reversal of 124421442 is 244124421.

It is not an unprimeable number, because it can be changed into a prime (124421447) 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, 45033 + ... + 47715.

It is an arithmetic number, because the mean of its divisors is an integer number (7971480).

Almost surely, 2^124421442 is an apocalyptic number.

124421442 is an abundant number, since it is smaller than the sum of its proper divisors (130665918).

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

124421442 is a wasteful number, since it uses less digits than its factorization.

124421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878.

The product of its digits is 2048, while the sum is 24.

The square root of 124421442 is about 11154.4359785692. The cubic root of 124421442 is about 499.2273961147.

Adding to 124421442 its reverse (244124421), we get a palindrome (368545863).

The spelling of 124421442 in words is "one hundred twenty-four million, four hundred twenty-one thousand, four hundred forty-two".