124401042 has 16 divisors (see below), whose sum is σ = 276446880. Its totient is φ = 41466996.

The previous prime is 124401041. The next prime is 124401073. The reversal of 124401042 is 240104421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (124401041) 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, 1151808 + ... + 1151915.

It is an arithmetic number, because the mean of its divisors is an integer number (17277930).

Almost surely, 2^124401042 is an apocalyptic number.

124401042 is an abundant number, since it is smaller than the sum of its proper divisors (152045838).

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

124401042 is a wasteful number, since it uses less digits than its factorization.

124401042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303734 (or 2303728 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 124401042 is about 11153.5215066812. The cubic root of 124401042 is about 499.2001103689.

Adding to 124401042 its reverse (240104421), we get a palindrome (364505463).

The spelling of 124401042 in words is "one hundred twenty-four million, four hundred one thousand, forty-two".