124640130 has 32 divisors (see below), whose sum is σ = 301791744. Its totient is φ = 32942336.

The previous prime is 124640129. The next prime is 124640137. The reversal of 124640130 is 31046421.

It is a junction number, because it is equal to n+sod(n) for n = 124640097 and 124640106.

It is not an unprimeable number, because it can be changed into a prime (124640137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14994 + ... + 21773.

It is an arithmetic number, because the mean of its divisors is an integer number (9430992).

Almost surely, 2^124640130 is an apocalyptic number.

124640130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124640130 is an abundant number, since it is smaller than the sum of its proper divisors (177151614).

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

124640130 is a wasteful number, since it uses less digits than its factorization.

124640130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36890.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 124640130 is about 11164.2344117275. The cubic root of 124640130 is about 499.5197121282.

Adding to 124640130 its reverse (31046421), we get a palindrome (155686551).

The spelling of 124640130 in words is "one hundred twenty-four million, six hundred forty thousand, one hundred thirty".