126943303 has 2 divisors, whose sum is σ = 126943304. Its totient is φ = 126943302.

The previous prime is 126943291. The next prime is 126943307. The reversal of 126943303 is 303349621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126943303 is a prime.

It is a super-2 number, since 2×126943303² = 32229204353099618, which contains 22 as substring.

It is equal to p_7214386 and since 126943303 and 7214386 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126943307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63471651 + 63471652.

It is an arithmetic number, because the mean of its divisors is an integer number (63471652).

Almost surely, 2^126943303 is an apocalyptic number.

126943303 is a deficient number, since it is larger than the sum of its proper divisors (1).

126943303 is an equidigital number, since it uses as much as digits as its factorization.

126943303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 126943303 is about 11266.9118661681. The cubic root of 126943303 is about 502.5777581541.

The spelling of 126943303 in words is "one hundred twenty-six million, nine hundred forty-three thousand, three hundred three".