124443420 has 24 divisors (see below), whose sum is σ = 348441744. Its totient is φ = 33184896.

The previous prime is 124443377. The next prime is 124443427. The reversal of 124443420 is 24344421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124443427) 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, 1036969 + ... + 1037088.

It is an arithmetic number, because the mean of its divisors is an integer number (14518406).

Almost surely, 2^124443420 is an apocalyptic number.

124443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124443420 is an abundant number, since it is smaller than the sum of its proper divisors (223998324).

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

124443420 is a wasteful number, since it uses less digits than its factorization.

124443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074069 (or 2074067 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 124443420 is about 11155.4211036608. The cubic root of 124443420 is about 499.2567891560.

Adding to 124443420 its reverse (24344421), we get a palindrome (148787841).

The spelling of 124443420 in words is "one hundred twenty-four million, four hundred forty-three thousand, four hundred twenty".