4012126903 has 2 divisors, whose sum is σ = 4012126904. Its totient is φ = 4012126902.

The previous prime is 4012126823. The next prime is 4012126991. The reversal of 4012126903 is 3096212104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4012126903 - 2²⁵ = 3978572471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012126303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006063451 + 2006063452.

It is an arithmetic number, because the mean of its divisors is an integer number (2006063452).

Almost surely, 2^4012126903 is an apocalyptic number.

4012126903 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012126903 is an equidigital number, since it uses as much as digits as its factorization.

4012126903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4012126903 is about 63341.3522353289. The cubic root of 4012126903 is about 1589.0036217552.

The spelling of 4012126903 in words is "four billion, twelve million, one hundred twenty-six thousand, nine hundred three".