124025021 has 8 divisors (see below), whose sum is σ = 126368640. Its totient is φ = 121689568.

The previous prime is 124025009. The next prime is 124025051. The reversal of 124025021 is 120520421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124025021 - 2¹⁴ = 124008637 is a prime.

It is a super-3 number, since 3×124025021³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124025051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34700 + ... + 38106.

It is an arithmetic number, because the mean of its divisors is an integer number (15796080).

Almost surely, 2^124025021 is an apocalyptic number.

It is an amenable number.

124025021 is a deficient number, since it is larger than the sum of its proper divisors (2343619).

124025021 is an equidigital number, since it uses as much as digits as its factorization.

124025021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 124025021 is about 11136.6521450569. The cubic root of 124025021 is about 498.6966334233.

Adding to 124025021 its reverse (120520421), we get a palindrome (244545442).

The spelling of 124025021 in words is "one hundred twenty-four million, twenty-five thousand, twenty-one".