1012273956 has 24 divisors (see below), whose sum is σ = 2624414240. Its totient is φ = 337424616.

The previous prime is 1012273937. The next prime is 1012273961. The reversal of 1012273956 is 6593722101.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1012273956.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4686346 + ... + 4686561.

Almost surely, 2^1012273956 is an apocalyptic number.

It is an amenable number.

1012273956 is an abundant number, since it is smaller than the sum of its proper divisors (1612140284).

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

1012273956 is a wasteful number, since it uses less digits than its factorization.

1012273956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372920 (or 9372912 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1012273956 is about 31816.2530163437. The cubic root of 1012273956 is about 1004.0746929928.

The spelling of 1012273956 in words is "one billion, twelve million, two hundred seventy-three thousand, nine hundred fifty-six".