126878712 has 32 divisors (see below), whose sum is σ = 328136400. Its totient is φ = 40834304.

The previous prime is 126878707. The next prime is 126878729. The reversal of 126878712 is 217878621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90453 + ... + 91844.

Almost surely, 2^126878712 is an apocalyptic number.

126878712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126878712 is an abundant number, since it is smaller than the sum of its proper divisors (201257688).

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

126878712 is a wasteful number, since it uses less digits than its factorization.

126878712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182335 (or 182331 counting only the distinct ones).

The product of its digits is 75264, while the sum is 42.

The square root of 126878712 is about 11264.0450993415. The cubic root of 126878712 is about 502.4925035391.

Subtracting 126878712 from its reverse (217878621), we obtain a palindrome (90999909).

The spelling of 126878712 in words is "one hundred twenty-six million, eight hundred seventy-eight thousand, seven hundred twelve".