124445442 has 32 divisors (see below), whose sum is σ = 273337344. Its totient is φ = 37458000.

The previous prime is 124445441. The next prime is 124445443. The reversal of 124445442 is 244544421.

It is an interprime number because it is at equal distance from previous prime (124445441) and next prime (124445443).

It is not an unprimeable number, because it can be changed into a prime (124445441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723 + ... + 16209.

It is an arithmetic number, because the mean of its divisors is an integer number (8541792).

Almost surely, 2^124445442 is an apocalyptic number.

124445442 is an abundant number, since it is smaller than the sum of its proper divisors (148891902).

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

124445442 is a wasteful number, since it uses less digits than its factorization.

124445442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12654.

The product of its digits is 20480, while the sum is 30.

The square root of 124445442 is about 11155.5117318750. The cubic root of 124445442 is about 499.2594931740.

Adding to 124445442 its reverse (244544421), we get a palindrome (368989863).

The spelling of 124445442 in words is "one hundred twenty-four million, four hundred forty-five thousand, four hundred forty-two".