126872782 has 4 divisors (see below), whose sum is σ = 190309176. Its totient is φ = 63436390.

The previous prime is 126872777. The next prime is 126872783. The reversal of 126872782 is 287278621.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126872783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31718194 + ... + 31718197.

It is an arithmetic number, because the mean of its divisors is an integer number (47577294).

Almost surely, 2^126872782 is an apocalyptic number.

126872782 is a deficient number, since it is larger than the sum of its proper divisors (63436394).

126872782 is an equidigital number, since it uses as much as digits as its factorization.

126872782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63436393.

The product of its digits is 150528, while the sum is 43.

The square root of 126872782 is about 11263.7818693368. The cubic root of 126872782 is about 502.4846749945.

The spelling of 126872782 in words is "one hundred twenty-six million, eight hundred seventy-two thousand, seven hundred eighty-two".