1012031040 has 56 divisors (see below), whose sum is σ = 3213201600. Its totient is φ = 269874688.

The previous prime is 1012031039. The next prime is 1012031081. The reversal of 1012031040 is 401302101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 526140 + ... + 528059.

It is an arithmetic number, because the mean of its divisors is an integer number (57378600).

Almost surely, 2^1012031040 is an apocalyptic number.

1012031040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012031040 is an abundant number, since it is smaller than the sum of its proper divisors (2201170560).

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

1012031040 is a wasteful number, since it uses less digits than its factorization.

1012031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054219 (or 1054209 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1012031040 is about 31812.4353044529. The cubic root of 1012031040 is about 1003.9943704282.

Adding to 1012031040 its reverse (401302101), we get a palindrome (1413333141).

The spelling of 1012031040 in words is "one billion, twelve million, thirty-one thousand, forty".