126297743 has 24 divisors (see below), whose sum is σ = 158329584. Its totient is φ = 99728640.

The previous prime is 126297719. The next prime is 126297749. The reversal of 126297743 is 347792621.

It is not a de Polignac number, because 126297743 - 2¹⁴ = 126281359 is a prime.

It is a super-2 number, since 2×126297743² = 31902239773788098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126297743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126297749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24380 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (6597066).

Almost surely, 2^126297743 is an apocalyptic number.

126297743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

126297743 is a deficient number, since it is larger than the sum of its proper divisors (32031841).

126297743 is a wasteful number, since it uses less digits than its factorization.

126297743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4764 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The square root of 126297743 is about 11238.2268619209. The cubic root of 126297743 is about 501.7243702580.

The spelling of 126297743 in words is "one hundred twenty-six million, two hundred ninety-seven thousand, seven hundred forty-three".