124420245 has 16 divisors (see below), whose sum is σ = 199651200. Its totient is φ = 66164544.

The previous prime is 124420223. The next prime is 124420259. The reversal of 124420245 is 542024421.

It is a happy number.

It is not a de Polignac number, because 124420245 - 2⁵ = 124420213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6649 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (12478200).

Almost surely, 2^124420245 is an apocalyptic number.

124420245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124420245 is a deficient number, since it is larger than the sum of its proper divisors (75230955).

124420245 is a wasteful number, since it uses less digits than its factorization.

124420245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24124.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 124420245 is about 11154.3823226569. The cubic root of 124420245 is about 499.2257951658.

Adding to 124420245 its reverse (542024421), we get a palindrome (666444666).

The spelling of 124420245 in words is "one hundred twenty-four million, four hundred twenty thousand, two hundred forty-five".