126478 has 8 divisors (see below), whose sum is σ = 207000. Its totient is φ = 57480.

The previous prime is 126473. The next prime is 126481. The reversal of 126478 is 874621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2853 + ... + 2896.

It is an arithmetic number, because the mean of its divisors is an integer number (25875).

2¹²⁶⁴⁷⁸ is an apocalyptic number.

126478 is a deficient number, since it is larger than the sum of its proper divisors (80522).

126478 is a wasteful number, since it uses less digits than its factorization.

126478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762.

The product of its digits is 2688, while the sum is 28.

The square root of 126478 is about 355.6374558451. The cubic root of 126478 is about 50.1962950235.

The spelling of 126478 in words is "one hundred twenty-six thousand, four hundred seventy-eight".