126478394 has 16 divisors (see below), whose sum is σ = 221863488. Its totient is φ = 52944192.

The previous prime is 126478369. The next prime is 126478409. The reversal of 126478394 is 493874621.

It is a Curzon 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, 104447 + ... + 105650.

It is an arithmetic number, because the mean of its divisors is an integer number (13866468).

Almost surely, 2^126478394 is an apocalyptic number.

126478394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

126478394 is a deficient number, since it is larger than the sum of its proper divisors (95385094).

126478394 is a wasteful number, since it uses less digits than its factorization.

126478394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210149.

The product of its digits is 290304, while the sum is 44.

The square root of 126478394 is about 11246.2613343280. The cubic root of 126478394 is about 501.9634714668.

The spelling of 126478394 in words is "one hundred twenty-six million, four hundred seventy-eight thousand, three hundred ninety-four".