1043011140 has 96 divisors (see below), whose sum is σ = 2960133120. Its totient is φ = 274384896.

The previous prime is 1043011111. The next prime is 1043011141. The reversal of 1043011140 is 411103401.

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

It is not an unprimeable number, because it can be changed into a prime (1043011141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1832776 + ... + 1833344.

It is an arithmetic number, because the mean of its divisors is an integer number (30834720).

Almost surely, 2^1043011140 is an apocalyptic number.

1043011140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043011140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1480066560).

1043011140 is an abundant number, since it is smaller than the sum of its proper divisors (1917121980).

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

1043011140 is a wasteful number, since it uses less digits than its factorization.

1043011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1043011140 is about 32295.6829932423. The cubic root of 1043011140 is about 1014.1362708758.

Adding to 1043011140 its reverse (411103401), we get a palindrome (1454114541).

The spelling of 1043011140 in words is "one billion, forty-three million, eleven thousand, one hundred forty".