126893911 has 2 divisors, whose sum is σ = 126893912. Its totient is φ = 126893910.

The previous prime is 126893891. The next prime is 126893917. The reversal of 126893911 is 119398621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126893911 - 2⁹ = 126893399 is a prime.

It is a super-2 number, since 2×126893911² = 32204129297751842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126893917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63446955 + 63446956.

It is an arithmetic number, because the mean of its divisors is an integer number (63446956).

Almost surely, 2^126893911 is an apocalyptic number.

126893911 is a deficient number, since it is larger than the sum of its proper divisors (1).

126893911 is an equidigital number, since it uses as much as digits as its factorization.

126893911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The square root of 126893911 is about 11264.7197479564. The cubic root of 126893911 is about 502.5125675264.

The spelling of 126893911 in words is "one hundred twenty-six million, eight hundred ninety-three thousand, nine hundred eleven".