126361072 has 20 divisors (see below), whose sum is σ = 245037640. Its totient is φ = 63125568.

The previous prime is 126361069. The next prime is 126361087. The reversal of 126361072 is 270163621.

It is a self number, because there is not a number n which added to its sum of digits gives 126361072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20638 + ... + 26050.

It is an arithmetic number, because the mean of its divisors is an integer number (12251882).

Almost surely, 2^126361072 is an apocalyptic number.

It is an amenable number.

126361072 is a deficient number, since it is larger than the sum of its proper divisors (118676568).

126361072 is a wasteful number, since it uses less digits than its factorization.

126361072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880 (or 6874 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 126361072 is about 11241.0440796218. The cubic root of 126361072 is about 501.8082154971.

The spelling of 126361072 in words is "one hundred twenty-six million, three hundred sixty-one thousand, seventy-two".