1684132120 has 32 divisors (see below), whose sum is σ = 4133779920. Its totient is φ = 612411520.

The previous prime is 1684132117. The next prime is 1684132123. The reversal of 1684132120 is 212314861.

It is an interprime number because it is at equal distance from previous prime (1684132117) and next prime (1684132123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684132123) 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, 1913347 + ... + 1914226.

Almost surely, 2^1684132120 is an apocalyptic number.

1684132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1684132120 is an abundant number, since it is smaller than the sum of its proper divisors (2449647800).

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

1684132120 is a wasteful number, since it uses less digits than its factorization.

1684132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827595 (or 3827591 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1684132120 is about 41038.1788094940. The cubic root of 1684132120 is about 1189.7582353758.

Adding to 1684132120 its reverse (212314861), we get a palindrome (1896446981).

The spelling of 1684132120 in words is "one billion, six hundred eighty-four million, one hundred thirty-two thousand, one hundred twenty".