126788823 has 18 divisors (see below), whose sum is σ = 213040464. Its totient is φ = 72450504.

The previous prime is 126788821. The next prime is 126788833. The reversal of 126788823 is 328887621.

It is not a de Polignac number, because 126788823 - 2¹ = 126788821 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126788821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 143311 + ... + 144192.

Almost surely, 2^126788823 is an apocalyptic number.

126788823 is a deficient number, since it is larger than the sum of its proper divisors (86251641).

126788823 is a wasteful number, since it uses less digits than its factorization.

126788823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287523 (or 287513 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 126788823 is about 11260.0543071515. The cubic root of 126788823 is about 502.3738095546.

The spelling of 126788823 in words is "one hundred twenty-six million, seven hundred eighty-eight thousand, eight hundred twenty-three".