412103981 has 2 divisors, whose sum is σ = 412103982. Its totient is φ = 412103980.

The previous prime is 412103971. The next prime is 412104013. The reversal of 412103981 is 189301214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394379881 + 17724100 = 19859^2 + 4210^2 .

It is a cyclic number.

It is not a de Polignac number, because 412103981 - 2⁶ = 412103917 is a prime.

It is a super-2 number, since 2×412103981² = 339659382312096722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412103911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206051990 + 206051991.

It is an arithmetic number, because the mean of its divisors is an integer number (206051991).

Almost surely, 2^412103981 is an apocalyptic number.

It is an amenable number.

412103981 is a deficient number, since it is larger than the sum of its proper divisors (1).

412103981 is an equidigital number, since it uses as much as digits as its factorization.

412103981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 412103981 is about 20300.3443566852. The cubic root of 412103981 is about 744.1644798844.

The spelling of 412103981 in words is "four hundred twelve million, one hundred three thousand, nine hundred eighty-one".