124401442 has 16 divisors (see below), whose sum is σ = 204486912. Its totient is φ = 56290320.

The previous prime is 124401439. The next prime is 124401449. The reversal of 124401442 is 244104421.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (124401449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7773 + ... + 17584.

It is an arithmetic number, because the mean of its divisors is an integer number (12780432).

Almost surely, 2^124401442 is an apocalyptic number.

124401442 is a deficient number, since it is larger than the sum of its proper divisors (80085470).

124401442 is a wasteful number, since it uses less digits than its factorization.

124401442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25593.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 124401442 is about 11153.5394382232. The cubic root of 124401442 is about 499.2006454122.

Adding to 124401442 its reverse (244104421), we get a palindrome (368505863).

The spelling of 124401442 in words is "one hundred twenty-four million, four hundred one thousand, four hundred forty-two".