412126639 has 2 divisors, whose sum is σ = 412126640. Its totient is φ = 412126638.

The previous prime is 412126607. The next prime is 412126661. The reversal of 412126639 is 936621214.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 412126639 - 2⁵ = 412126607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412126669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206063319 + 206063320.

It is an arithmetic number, because the mean of its divisors is an integer number (206063320).

Almost surely, 2^412126639 is an apocalyptic number.

412126639 is a deficient number, since it is larger than the sum of its proper divisors (1).

412126639 is an equidigital number, since it uses as much as digits as its factorization.

412126639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 412126639 is about 20300.9024183655. The cubic root of 412126639 is about 744.1781180037.

The spelling of 412126639 in words is "four hundred twelve million, one hundred twenty-six thousand, six hundred thirty-nine".