124172130 has 32 divisors (see below), whose sum is σ = 300024000. Its totient is φ = 32889152.

The previous prime is 124172129. The next prime is 124172137. The reversal of 124172130 is 31271421.

It is a junction number, because it is equal to n+sod(n) for n = 124172097 and 124172106.

It is not an unprimeable number, because it can be changed into a prime (124172137) 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, 9420 + ... + 18359.

It is an arithmetic number, because the mean of its divisors is an integer number (9375750).

Almost surely, 2^124172130 is an apocalyptic number.

124172130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124172130 is an abundant number, since it is smaller than the sum of its proper divisors (175851870).

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

124172130 is a wasteful number, since it uses less digits than its factorization.

124172130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27938.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 124172130 is about 11143.2549104828. The cubic root of 124172130 is about 498.8937274607.

The spelling of 124172130 in words is "one hundred twenty-four million, one hundred seventy-two thousand, one hundred thirty".