124201020 has 48 divisors (see below), whose sum is σ = 348249888. Its totient is φ = 33073920.

The previous prime is 124201019. The next prime is 124201027. The reversal of 124201020 is 20102421.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 124200987 and 124201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124201027) 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, 75810 + ... + 77430.

It is an arithmetic number, because the mean of its divisors is an integer number (7255206).

Almost surely, 2^124201020 is an apocalyptic number.

124201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124201020 is an abundant number, since it is smaller than the sum of its proper divisors (224048868).

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

124201020 is a wasteful number, since it uses less digits than its factorization.

124201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910 (or 2908 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 124201020 is about 11144.5511349717. The cubic root of 124201020 is about 498.9324154823.

Adding to 124201020 its reverse (20102421), we get a palindrome (144303441).

The spelling of 124201020 in words is "one hundred twenty-four million, two hundred one thousand, twenty".