412125021 has 24 divisors (see below), whose sum is σ = 742183104. Its totient is φ = 214090560.

The previous prime is 412125013. The next prime is 412125023. The reversal of 412125021 is 120521214.

412125021 is a `hidden beast` number, since 412 + 1 + 250 + 2 + 1 = 666.

It is not a de Polignac number, because 412125021 - 2³ = 412125013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 412124985 and 412125003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412125023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296656 + ... + 298041.

It is an arithmetic number, because the mean of its divisors is an integer number (30924296).

Almost surely, 2^412125021 is an apocalyptic number.

It is an amenable number.

412125021 is a deficient number, since it is larger than the sum of its proper divisors (330058083).

412125021 is a wasteful number, since it uses less digits than its factorization.

412125021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594721 (or 594718 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 412125021 is about 20300.8625678812. The cubic root of 412125021 is about 744.1771441268.

Adding to 412125021 its reverse (120521214), we get a palindrome (532646235).

The spelling of 412125021 in words is "four hundred twelve million, one hundred twenty-five thousand, twenty-one".