1072556849 has 16 divisors (see below), whose sum is σ = 1321703040. Its totient is φ = 847566720.

The previous prime is 1072556833. The next prime is 1072556887. The reversal of 1072556849 is 9486552701.

It is a happy number.

It is not a de Polignac number, because 1072556849 - 2⁴ = 1072556833 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1072556449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71309 + ... + 85029.

It is an arithmetic number, because the mean of its divisors is an integer number (82606440).

Almost surely, 2^1072556849 is an apocalyptic number.

It is an amenable number.

1072556849 is a deficient number, since it is larger than the sum of its proper divisors (249146191).

1072556849 is a wasteful number, since it uses less digits than its factorization.

1072556849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600.

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 1072556849 is about 32749.9137250772. The cubic root of 1072556849 is about 1023.6231679351.

The spelling of 1072556849 in words is "one billion, seventy-two million, five hundred fifty-six thousand, eight hundred forty-nine".