124420740 has 48 divisors (see below), whose sum is σ = 366717120. Its totient is φ = 31432320.

The previous prime is 124420727. The next prime is 124420741. The reversal of 124420740 is 47024421.

It is a self number, because there is not a number n which added to its sum of digits gives 124420740.

It is not an unprimeable number, because it can be changed into a prime (124420741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53431 + ... + 55710.

It is an arithmetic number, because the mean of its divisors is an integer number (7639940).

Almost surely, 2^124420740 is an apocalyptic number.

124420740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124420740 is an abundant number, since it is smaller than the sum of its proper divisors (242296380).

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

124420740 is a wasteful number, since it uses less digits than its factorization.

124420740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109172 (or 109170 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 124420740 is about 11154.4045112234. The cubic root of 124420740 is about 499.2264572136.

The spelling of 124420740 in words is "one hundred twenty-four million, four hundred twenty thousand, seven hundred forty".