124422440 has 16 divisors (see below), whose sum is σ = 279950580. Its totient is φ = 49768960.

The previous prime is 124422427. The next prime is 124422443. The reversal of 124422440 is 44224421.

It can be written as a sum of positive squares in 2 ways, for example, as 120604324 + 3818116 = 10982^2 + 1954^2 .

It is not an unprimeable number, because it can be changed into a prime (124422443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555241 + ... + 1555320.

Almost surely, 2^124422440 is an apocalyptic number.

124422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124422440 is an abundant number, since it is smaller than the sum of its proper divisors (155528140).

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

124422440 is a wasteful number, since it uses less digits than its factorization.

124422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110572 (or 3110568 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 124422440 is about 11154.4807140449. The cubic root of 124422440 is about 499.2287308997.

Adding to 124422440 its reverse (44224421), we get a palindrome (168646861).

The spelling of 124422440 in words is "one hundred twenty-four million, four hundred twenty-two thousand, four hundred forty".