126893917 has 2 divisors, whose sum is σ = 126893918. Its totient is φ = 126893916.

The previous prime is 126893911. The next prime is 126893927. The reversal of 126893917 is 719398621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119115396 + 7778521 = 10914^2 + 2789^2 .

It is a cyclic number.

It is not a de Polignac number, because 126893917 - 2¹⁵ = 126861149 is a prime.

It is a super-2 number, since 2×126893917² = 32204132343205778, 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 (126893911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63446958 + 63446959.

It is an arithmetic number, because the mean of its divisors is an integer number (63446959).

Almost surely, 2^126893917 is an apocalyptic number.

It is an amenable number.

126893917 is a deficient number, since it is larger than the sum of its proper divisors (1).

126893917 is an equidigital number, since it uses as much as digits as its factorization.

126893917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 46.

The square root of 126893917 is about 11264.7200142747. The cubic root of 126893917 is about 502.5125754466.

The spelling of 126893917 in words is "one hundred twenty-six million, eight hundred ninety-three thousand, nine hundred seventeen".