1102712820 has 192 divisors, whose sum is σ = 3690489600. Its totient is φ = 242851840.

The previous prime is 1102712801. The next prime is 1102712833. The reversal of 1102712820 is 282172011.

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, 323686 + ... + 327074.

It is an arithmetic number, because the mean of its divisors is an integer number (19221300).

Almost surely, 2^1102712820 is an apocalyptic number.

1102712820 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 1102712820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1845244800).

1102712820 is an abundant number, since it is smaller than the sum of its proper divisors (2587776780).

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

1102712820 is a wasteful number, since it uses less digits than its factorization.

1102712820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458 (or 3456 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 1102712820 is about 33207.1200196584. The cubic root of 1102712820 is about 1033.1280218759.

Adding to 1102712820 its reverse (282172011), we get a palindrome (1384884831).

The spelling of 1102712820 in words is "one billion, one hundred two million, seven hundred twelve thousand, eight hundred twenty".