126278228 has 12 divisors (see below), whose sum is σ = 221168640. Its totient is φ = 63087192.

The previous prime is 126278213. The next prime is 126278233. The reversal of 126278228 is 822872621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 126278191 and 126278200.

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, 7226 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (18430720).

Almost surely, 2^126278228 is an apocalyptic number.

It is an amenable number.

126278228 is a deficient number, since it is larger than the sum of its proper divisors (94890412).

126278228 is a wasteful number, since it uses less digits than its factorization.

126278228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25966 (or 25964 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 126278228 is about 11237.3585864295. The cubic root of 126278228 is about 501.6985274752.

The spelling of 126278228 in words is "one hundred twenty-six million, two hundred seventy-eight thousand, two hundred twenty-eight".