1102270140 has 192 divisors, whose sum is σ = 3657830400. Its totient is φ = 274609152.

The previous prime is 1102270087. The next prime is 1102270159. The reversal of 1102270140 is 410722011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1532701 + ... + 1533419.

It is an arithmetic number, because the mean of its divisors is an integer number (19051200).

Almost surely, 2^1102270140 is an apocalyptic number.

1102270140 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 1102270140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828915200).

1102270140 is an abundant number, since it is smaller than the sum of its proper divisors (2555560260).

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

1102270140 is a wasteful number, since it uses less digits than its factorization.

1102270140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1102270140 is about 33200.4539125597. The cubic root of 1102270140 is about 1032.9897548923.

Adding to 1102270140 its reverse (410722011), we get a palindrome (1512992151).

The spelling of 1102270140 in words is "one billion, one hundred two million, two hundred seventy thousand, one hundred forty".