126992783 has 2 divisors, whose sum is σ = 126992784. Its totient is φ = 126992782.

The previous prime is 126992759. The next prime is 126992797. The reversal of 126992783 is 387299621.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (387299621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126992783 - 2⁸ = 126992527 is a prime.

It is a super-2 number, since 2×126992783² = 32254333868170178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126992483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63496391 + 63496392.

It is an arithmetic number, because the mean of its divisors is an integer number (63496392).

Almost surely, 2^126992783 is an apocalyptic number.

126992783 is a deficient number, since it is larger than the sum of its proper divisors (1).

126992783 is an equidigital number, since it uses as much as digits as its factorization.

126992783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 126992783 is about 11269.1074624391. The cubic root of 126992783 is about 502.6430479767.

The spelling of 126992783 in words is "one hundred twenty-six million, nine hundred ninety-two thousand, seven hundred eighty-three".