126724274 has 8 divisors (see below), whose sum is σ = 190277100. Its totient is φ = 63298576.

The previous prime is 126724259. The next prime is 126724309. The reversal of 126724274 is 472427621.

It can be written as a sum of positive squares in 2 ways, for example, as 126720049 + 4225 = 11257^2 + 65^2 .

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

It is a Curzon 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, 29249 + ... + 33300.

Almost surely, 2^126724274 is an apocalyptic number.

126724274 is a deficient number, since it is larger than the sum of its proper divisors (63552826).

126724274 is a wasteful number, since it uses less digits than its factorization.

126724274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63564.

The product of its digits is 37632, while the sum is 35.

The square root of 126724274 is about 11257.1876594467. The cubic root of 126724274 is about 502.2885411772.

The spelling of 126724274 in words is "one hundred twenty-six million, seven hundred twenty-four thousand, two hundred seventy-four".