124222440 has 32 divisors (see below), whose sum is σ = 372667680. Its totient is φ = 33125952.

The previous prime is 124222433. The next prime is 124222447. The reversal of 124222440 is 44222421.

It is an interprime number because it is at equal distance from previous prime (124222433) and next prime (124222447).

It is not an unprimeable number, because it can be changed into a prime (124222447) 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, 517474 + ... + 517713.

It is an arithmetic number, because the mean of its divisors is an integer number (11645865).

Almost surely, 2^124222440 is an apocalyptic number.

124222440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124222440 is an abundant number, since it is smaller than the sum of its proper divisors (248445240).

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

124222440 is a wasteful number, since it uses less digits than its factorization.

124222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035201 (or 1035197 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 124222440 is about 11145.5121012899. The cubic root of 124222440 is about 498.9610961861.

Adding to 124222440 its reverse (44222421), we get a palindrome (168444861).

The spelling of 124222440 in words is "one hundred twenty-four million, two hundred twenty-two thousand, four hundred forty".