126966331 has 2 divisors, whose sum is σ = 126966332. Its totient is φ = 126966330.

The previous prime is 126966269. The next prime is 126966337. The reversal of 126966331 is 133669621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126966331 - 2¹⁷ = 126835259 is a prime.

It is a super-2 number, since 2×126966331² = 32240898415203122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (126966337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63483165 + 63483166.

It is an arithmetic number, because the mean of its divisors is an integer number (63483166).

Almost surely, 2^126966331 is an apocalyptic number.

126966331 is a deficient number, since it is larger than the sum of its proper divisors (1).

126966331 is an equidigital number, since it uses as much as digits as its factorization.

126966331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 126966331 is about 11267.9337502490. The cubic root of 126966331 is about 502.6081461583.

It can be divided in two parts, 1269 and 66331, that added together give a square (67600 = 260²).

The spelling of 126966331 in words is "one hundred twenty-six million, nine hundred sixty-six thousand, three hundred thirty-one".