1066232100 has 36 divisors (see below), whose sum is σ = 3084965744. Its totient is φ = 284328480.

The previous prime is 1066232099. The next prime is 1066232107. The reversal of 1066232100 is 12326601.

It is a happy number.

It is a super-2 number, since 2×1066232100² = 2273701782140820000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066232107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1776754 + ... + 1777353.

Almost surely, 2^1066232100 is an apocalyptic number.

1066232100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066232100 is an abundant number, since it is smaller than the sum of its proper divisors (2018733644).

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

1066232100 is a wasteful number, since it uses less digits than its factorization.

1066232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554124 (or 3554117 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1066232100 is about 32653.2096431576. The cubic root of 1066232100 is about 1021.6071357874.

Adding to 1066232100 its reverse (12326601), we get a palindrome (1078558701).

The spelling of 1066232100 in words is "one billion, sixty-six million, two hundred thirty-two thousand, one hundred".