126282731 has 2 divisors, whose sum is σ = 126282732. Its totient is φ = 126282730.

The previous prime is 126282727. The next prime is 126282799. The reversal of 126282731 is 137282621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126282731 - 2² = 126282727 is a prime.

It is a super-2 number, since 2×126282731² = 31894656297636722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126282031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63141365 + 63141366.

It is an arithmetic number, because the mean of its divisors is an integer number (63141366).

Almost surely, 2^126282731 is an apocalyptic number.

126282731 is a deficient number, since it is larger than the sum of its proper divisors (1).

126282731 is an equidigital number, since it uses as much as digits as its factorization.

126282731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 126282731 is about 11237.5589431157. The cubic root of 126282731 is about 501.7044908194.

The spelling of 126282731 in words is "one hundred twenty-six million, two hundred eighty-two thousand, seven hundred thirty-one".