126644246 has 4 divisors (see below), whose sum is σ = 189966372. Its totient is φ = 63322122.

The previous prime is 126644239. The next prime is 126644251. The reversal of 126644246 is 642446621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642446621 = 373 ⋅1722377.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31661060 + ... + 31661063.

It is an arithmetic number, because the mean of its divisors is an integer number (47491593).

Almost surely, 2^126644246 is an apocalyptic number.

126644246 is a deficient number, since it is larger than the sum of its proper divisors (63322126).

126644246 is an equidigital number, since it uses as much as digits as its factorization.

126644246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63322125.

The product of its digits is 55296, while the sum is 35.

The square root of 126644246 is about 11253.6325690863. The cubic root of 126644246 is about 502.1827850324.

The spelling of 126644246 in words is "one hundred twenty-six million, six hundred forty-four thousand, two hundred forty-six".