126279733 has 4 divisors (see below), whose sum is σ = 126302220. Its totient is φ = 126257248.

The previous prime is 126279731. The next prime is 126279737. The reversal of 126279733 is 337972621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51940849 + 74338884 = 7207^2 + 8622^2 .

It is a cyclic number.

It is not a de Polignac number, because 126279733 - 2¹ = 126279731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126279731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091 + ... + 16687.

It is an arithmetic number, because the mean of its divisors is an integer number (31575555).

Almost surely, 2^126279733 is an apocalyptic number.

It is an amenable number.

126279733 is a deficient number, since it is larger than the sum of its proper divisors (22487).

126279733 is a wasteful number, since it uses less digits than its factorization.

126279733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22486.

The product of its digits is 95256, while the sum is 40.

The square root of 126279733 is about 11237.4255503652. The cubic root of 126279733 is about 501.7005205696.

The spelling of 126279733 in words is "one hundred twenty-six million, two hundred seventy-nine thousand, seven hundred thirty-three".