126705478 has 8 divisors (see below), whose sum is σ = 190911168. Its totient is φ = 63068424.

The previous prime is 126705461. The next prime is 126705503. The reversal of 126705478 is 874507621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 126705478.

It is a congruent 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, 141601 + ... + 142492.

It is an arithmetic number, because the mean of its divisors is an integer number (23863896).

Almost surely, 2^126705478 is an apocalyptic number.

126705478 is a deficient number, since it is larger than the sum of its proper divisors (64205690).

126705478 is a wasteful number, since it uses less digits than its factorization.

126705478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284318.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 126705478 is about 11256.3527840949. The cubic root of 126705478 is about 502.2637064660.

The spelling of 126705478 in words is "one hundred twenty-six million, seven hundred five thousand, four hundred seventy-eight".