1012873192 has 16 divisors (see below), whose sum is σ = 2010851460. Its totient is φ = 476646144.

The previous prime is 1012873151. The next prime is 1012873193. The reversal of 1012873192 is 2913782101.

It can be written as a sum of positive squares in 2 ways, for example, as 878173956 + 134699236 = 29634^2 + 11606^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1012873193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3723663 + ... + 3723934.

Almost surely, 2^1012873192 is an apocalyptic number.

It is an amenable number.

1012873192 is a deficient number, since it is larger than the sum of its proper divisors (997978268).

1012873192 is a wasteful number, since it uses less digits than its factorization.

1012873192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447620 (or 7447616 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1012873192 is about 31825.6687596663. The cubic root of 1012873192 is about 1004.2727813374.

The spelling of 1012873192 in words is "one billion, twelve million, eight hundred seventy-three thousand, one hundred ninety-two".