126788538 has 8 divisors (see below), whose sum is σ = 253577088. Its totient is φ = 42262844.

The previous prime is 126788527. The next prime is 126788573. The reversal of 126788538 is 835887621.

It is a sphenic number, since it is the product of 3 distinct primes.

126788538 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10565706 + ... + 10565717.

It is an arithmetic number, because the mean of its divisors is an integer number (31697136).

Almost surely, 2^126788538 is an apocalyptic number.

126788538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126788538 is a wasteful number, since it uses less digits than its factorization.

126788538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21131428.

The product of its digits is 645120, while the sum is 48.

The square root of 126788538 is about 11260.0416517880. The cubic root of 126788538 is about 502.3734331370.

The spelling of 126788538 in words is "one hundred twenty-six million, seven hundred eighty-eight thousand, five hundred thirty-eight".