412041021 has 32 divisors (see below), whose sum is σ = 671182848. Its totient is φ = 219711360.

The previous prime is 412041013. The next prime is 412041029. The reversal of 412041021 is 120140214.

It is an interprime number because it is at equal distance from previous prime (412041013) and next prime (412041029).

It is not a de Polignac number, because 412041021 - 2³ = 412041013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412041029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9400 + ... + 30206.

It is an arithmetic number, because the mean of its divisors is an integer number (20974464).

Almost surely, 2^412041021 is an apocalyptic number.

412041021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

412041021 is a deficient number, since it is larger than the sum of its proper divisors (259141827).

412041021 is a wasteful number, since it uses less digits than its factorization.

412041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20881.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 412041021 is about 20298.7935848414. The cubic root of 412041021 is about 744.1265808880.

Adding to 412041021 its reverse (120140214), we get a palindrome (532181235).

The spelling of 412041021 in words is "four hundred twelve million, forty-one thousand, twenty-one".