1012287844 has 12 divisors (see below), whose sum is σ = 1773004464. Its totient is φ = 505715144.

The previous prime is 1012287821. The next prime is 1012287877. The reversal of 1012287844 is 4487822101.

It is a happy number.

It is a super-2 number, since 2×1012287844² = 2049453358220336672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101854 + ... + 111349.

It is an arithmetic number, because the mean of its divisors is an integer number (147750372).

Almost surely, 2^1012287844 is an apocalyptic number.

It is an amenable number.

1012287844 is a deficient number, since it is larger than the sum of its proper divisors (760716620).

1012287844 is a wasteful number, since it uses less digits than its factorization.

1012287844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214394 (or 214392 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 1012287844 is about 31816.4712688255. The cubic root of 1012287844 is about 1004.0792848083.

The spelling of 1012287844 in words is "one billion, twelve million, two hundred eighty-seven thousand, eight hundred forty-four".