126711946 has 8 divisors (see below), whose sum is σ = 191118564. Its totient is φ = 63005760.

The previous prime is 126711943. The next prime is 126711961. The reversal of 126711946 is 649117621.

It can be written as a sum of positive squares in 2 ways, for example, as 113103225 + 13608721 = 10635^2 + 3689^2 .

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

It is not an unprimeable number, because it can be changed into a prime (126711943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174655 + ... + 175378.

Almost surely, 2^126711946 is an apocalyptic number.

126711946 is a deficient number, since it is larger than the sum of its proper divisors (64406618).

126711946 is a wasteful number, since it uses less digits than its factorization.

126711946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350216.

The product of its digits is 18144, while the sum is 37.

The square root of 126711946 is about 11256.6400848566. The cubic root of 126711946 is about 502.2722527589.

The spelling of 126711946 in words is "one hundred twenty-six million, seven hundred eleven thousand, nine hundred forty-six".