412055721 has 64 divisors (see below), whose sum is σ = 777461760. Its totient is φ = 209450880.

The previous prime is 412055719. The next prime is 412055753. The reversal of 412055721 is 127550214.

It is not a de Polignac number, because 412055721 - 2¹ = 412055719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (412055701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95605 + ... + 99821.

It is an arithmetic number, because the mean of its divisors is an integer number (12147840).

Almost surely, 2^412055721 is an apocalyptic number.

It is an amenable number.

412055721 is a deficient number, since it is larger than the sum of its proper divisors (365406039).

412055721 is a wasteful number, since it uses less digits than its factorization.

412055721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291 (or 4285 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 412055721 is about 20299.1556720963. The cubic root of 412055721 is about 744.1354299508.

The spelling of 412055721 in words is "four hundred twelve million, fifty-five thousand, seven hundred twenty-one".