126611012 has 18 divisors (see below), whose sum is σ = 243544014. Its totient is φ = 57550240.

The previous prime is 126610987. The next prime is 126611027. The reversal of 126611012 is 210116621.

It can be written as a sum of positive squares in only one way, i.e., 107827456 + 18783556 = 10384^2 + 4334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130313 + ... + 131280.

It is an arithmetic number, because the mean of its divisors is an integer number (13530223).

Almost surely, 2^126611012 is an apocalyptic number.

It is an amenable number.

126611012 is a deficient number, since it is larger than the sum of its proper divisors (116933002).

126611012 is a wasteful number, since it uses less digits than its factorization.

126611012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261619 (or 261606 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 126611012 is about 11252.1558823187. The cubic root of 126611012 is about 502.1388535647.

Adding to 126611012 its reverse (210116621), we get a palindrome (336727633).

The spelling of 126611012 in words is "one hundred twenty-six million, six hundred eleven thousand, twelve".