1102040140 has 24 divisors (see below), whose sum is σ = 2335520880. Its totient is φ = 436771008.

The previous prime is 1102040119. The next prime is 1102040141. The reversal of 1102040140 is 410402011.

It is a self number, because there is not a number n which added to its sum of digits gives 1102040140.

It is not an unprimeable number, because it can be changed into a prime (1102040141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250582 + ... + 254941.

It is an arithmetic number, because the mean of its divisors is an integer number (97313370).

Almost surely, 2^1102040140 is an apocalyptic number.

1102040140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102040140 is an abundant number, since it is smaller than the sum of its proper divisors (1233480740).

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

1102040140 is a wasteful number, since it uses less digits than its factorization.

1102040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505641 (or 505639 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1102040140 is about 33196.9899237868. The cubic root of 1102040140 is about 1032.9179019160.

Adding to 1102040140 its reverse (410402011), we get a palindrome (1512442151).

The spelling of 1102040140 in words is "one billion, one hundred two million, forty thousand, one hundred forty".