126895919 has 2 divisors, whose sum is σ = 126895920. Its totient is φ = 126895918.

The previous prime is 126895913. The next prime is 126895981. The reversal of 126895919 is 919598621.

It is a weak prime.

It is an emirp because it is prime and its reverse (919598621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126895919 - 2¹⁶ = 126830383 is a prime.

It is a super-2 number, since 2×126895919² = 32205148517709122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126895913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63447959 + 63447960.

It is an arithmetic number, because the mean of its divisors is an integer number (63447960).

Almost surely, 2^126895919 is an apocalyptic number.

126895919 is a deficient number, since it is larger than the sum of its proper divisors (1).

126895919 is an equidigital number, since it uses as much as digits as its factorization.

126895919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 50.

The square root of 126895919 is about 11264.8088754315. The cubic root of 126895919 is about 502.5152181393.

The spelling of 126895919 in words is "one hundred twenty-six million, eight hundred ninety-five thousand, nine hundred nineteen".