124442406 has 40 divisors (see below), whose sum is σ = 304196904. Its totient is φ = 37709280.

The previous prime is 124442377. The next prime is 124442407. The reversal of 124442406 is 604244421.

It is a happy number.

It is a super-2 number, since 2×124442406² = 30971824822137672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 124442406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124442407) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33135 + ... + 36698.

Almost surely, 2^124442406 is an apocalyptic number.

124442406 is an abundant number, since it is smaller than the sum of its proper divisors (179754498).

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

124442406 is a wasteful number, since it uses less digits than its factorization.

124442406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69858 (or 69849 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 124442406 is about 11155.3756548132. The cubic root of 124442406 is about 499.2554331240.

Adding to 124442406 its reverse (604244421), we get a palindrome (728686827).

The spelling of 124442406 in words is "one hundred twenty-four million, four hundred forty-two thousand, four hundred six".