126724426 has 8 divisors (see below), whose sum is σ = 201268260. Its totient is φ = 59635008.

The previous prime is 126724417. The next prime is 126724439. The reversal of 126724426 is 624427621.

It can be written as a sum of positive squares in 2 ways, for example, as 122080401 + 4644025 = 11049^2 + 2155^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 3727189 = 126724426 / (1 + 2 + 6 + 7 + 2 + 4 + 4 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 126724391 and 126724400.

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, 1863561 + ... + 1863628.

Almost surely, 2^126724426 is an apocalyptic number.

126724426 is a deficient number, since it is larger than the sum of its proper divisors (74543834).

126724426 is a wasteful number, since it uses less digits than its factorization.

126724426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727208.

The product of its digits is 32256, while the sum is 34.

The square root of 126724426 is about 11257.1944106869. The cubic root of 126724426 is about 502.2887420012.

The spelling of 126724426 in words is "one hundred twenty-six million, seven hundred twenty-four thousand, four hundred twenty-six".