1072563284 has 24 divisors (see below), whose sum is σ = 2032554888. Its totient is φ = 492289920.

The previous prime is 1072563277. The next prime is 1072563287. The reversal of 1072563284 is 4823652701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11628100 + 1060935184 = 3410^2 + 32572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072563287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47567 + ... + 66390.

It is an arithmetic number, because the mean of its divisors is an integer number (84689787).

Almost surely, 2^1072563284 is an apocalyptic number.

It is an amenable number.

1072563284 is a deficient number, since it is larger than the sum of its proper divisors (959991604).

1072563284 is a wasteful number, since it uses less digits than its factorization.

1072563284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114155 (or 114153 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 1072563284 is about 32750.0119694635. The cubic root of 1072563284 is about 1023.6252150688.

The spelling of 1072563284 in words is "one billion, seventy-two million, five hundred sixty-three thousand, two hundred eighty-four".