1012564203 has 16 divisors (see below), whose sum is σ = 1596161280. Its totient is φ = 558655776.

The previous prime is 1012564181. The next prime is 1012564211. The reversal of 1012564203 is 3024652101.

1012564203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1012564203 - 2⁵ = 1012564171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012564243) 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, 830725 + ... + 831942.

It is an arithmetic number, because the mean of its divisors is an integer number (99760080).

Almost surely, 2^1012564203 is an apocalyptic number.

1012564203 is a deficient number, since it is larger than the sum of its proper divisors (583597077).

1012564203 is a wasteful number, since it uses less digits than its factorization.

1012564203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662706.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1012564203 is about 31820.8139902172. The cubic root of 1012564203 is about 1004.1706491703.

The spelling of 1012564203 in words is "one billion, twelve million, five hundred sixty-four thousand, two hundred three".