126863478 has 24 divisors (see below), whose sum is σ = 314138448. Its totient is φ = 36246672.

The previous prime is 126863467. The next prime is 126863479. The reversal of 126863478 is 874368621.

126863478 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 634 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126863479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503301 + ... + 503552.

It is an arithmetic number, because the mean of its divisors is an integer number (13089102).

Almost surely, 2^126863478 is an apocalyptic number.

126863478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

126863478 is an abundant number, since it is smaller than the sum of its proper divisors (187274970).

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

126863478 is a wasteful number, since it uses less digits than its factorization.

126863478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006868 (or 1006865 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 126863478 is about 11263.3688566077. The cubic root of 126863478 is about 502.4723917408.

It can be divided in two parts, 1268 and 63478, that added together give a palindrome (64746).

The spelling of 126863478 in words is "one hundred twenty-six million, eight hundred sixty-three thousand, four hundred seventy-eight".