1102643712 has 240 divisors, whose sum is σ = 3413219040. Its totient is φ = 351406080.

The previous prime is 1102643683. The next prime is 1102643741. The reversal of 1102643712 is 2173462011.

1102643712 is a `hidden beast` number, since 1 + 1 + 0 + 2 + 643 + 7 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (1102643683) and next prime (1102643741).

It is a super-2 number, since 2×1102643712² = 2431646311226277888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13284823 + ... + 13284905.

It is an arithmetic number, because the mean of its divisors is an integer number (14221746).

Almost surely, 2^1102643712 is an apocalyptic number.

1102643712 is a gapful number since it is divisible by the number (12) 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 1102643712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706609520).

1102643712 is an abundant number, since it is smaller than the sum of its proper divisors (2310575328).

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

1102643712 is an frugal number, since it uses more digits than its factorization.

1102643712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1102643712 is about 33206.0794433790. The cubic root of 1102643712 is about 1033.1064390722.

It can be divided in two parts, 1102643 and 712, that added together give a triangular number (1103355 = T₁₄₈₅).

The spelling of 1102643712 in words is "one billion, one hundred two million, six hundred forty-three thousand, seven hundred twelve".