2130654 has 8 divisors (see below), whose sum is σ = 4261320. Its totient is φ = 710216.

The previous prime is 2130631. The next prime is 2130671. The reversal of 2130654 is 4560312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2130654 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177549 + ... + 177560.

It is an arithmetic number, because the mean of its divisors is an integer number (532665).

2^2130654 is an apocalyptic number.

2130654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2130654 is a wasteful number, since it uses less digits than its factorization.

2130654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355114.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2130654 is about 1459.6759914447. The cubic root of 2130654 is about 128.6780022885.

Adding to 2130654 its reverse (4560312), we get a palindrome (6690966).

The spelling of 2130654 in words is "two million, one hundred thirty thousand, six hundred fifty-four".