126516733 has 4 divisors (see below), whose sum is σ = 144590560. Its totient is φ = 108442908.

The previous prime is 126516713. The next prime is 126516757. The reversal of 126516733 is 337615621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 337615621 = 7 ⋅48230803.

It is not a de Polignac number, because 126516733 - 2¹³ = 126508541 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 (126516713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9036903 + ... + 9036916.

It is an arithmetic number, because the mean of its divisors is an integer number (36147640).

Almost surely, 2^126516733 is an apocalyptic number.

It is an amenable number.

126516733 is a deficient number, since it is larger than the sum of its proper divisors (18073827).

126516733 is an equidigital number, since it uses as much as digits as its factorization.

126516733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18073826.

The product of its digits is 22680, while the sum is 34.

The square root of 126516733 is about 11247.9657271882. The cubic root of 126516733 is about 502.0141858819.

The spelling of 126516733 in words is "one hundred twenty-six million, five hundred sixteen thousand, seven hundred thirty-three".