1012873200 has 60 divisors (see below), whose sum is σ = 3244574328. Its totient is φ = 270099200.

The previous prime is 1012873193. The next prime is 1012873201. The reversal of 1012873200 is 23782101.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012873201) 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 11 ways as a sum of consecutive naturals, for example, 420831 + ... + 423230.

Almost surely, 2^1012873200 is an apocalyptic number.

1012873200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012873200 is an abundant number, since it is smaller than the sum of its proper divisors (2231701128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012873200 is a wasteful number, since it uses less digits than its factorization.

1012873200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844082 (or 844071 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1012873200 is about 31825.6688853510. The cubic root of 1012873200 is about 1004.2727839814.

The spelling of 1012873200 in words is "one billion, twelve million, eight hundred seventy-three thousand, two hundred".