1012044120 has 64 divisors (see below), whose sum is σ = 3195936000. Its totient is φ = 255673728.

The previous prime is 1012044067. The next prime is 1012044157. The reversal of 1012044120 is 214402101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1012044120.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 219660 + ... + 224219.

It is an arithmetic number, because the mean of its divisors is an integer number (49936500).

Almost surely, 2^1012044120 is an apocalyptic number.

1012044120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012044120 is an abundant number, since it is smaller than the sum of its proper divisors (2183891880).

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

1012044120 is a wasteful number, since it uses less digits than its factorization.

1012044120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443912 (or 443908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1012044120 is about 31812.6408837745. The cubic root of 1012044120 is about 1003.9986957862.

Adding to 1012044120 its reverse (214402101), we get a palindrome (1226446221).

The spelling of 1012044120 in words is "one billion, twelve million, forty-four thousand, one hundred twenty".