2101430 has 8 divisors (see below), whose sum is σ = 3782592. Its totient is φ = 840568.

The previous prime is 2101423. The next prime is 2101433. The reversal of 2101430 is 341012.

It is a happy number.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105062 + ... + 105081.

It is an arithmetic number, because the mean of its divisors is an integer number (472824).

2^2101430 is an apocalyptic number.

2101430 is a deficient number, since it is larger than the sum of its proper divisors (1681162).

2101430 is a wasteful number, since it uses less digits than its factorization.

2101430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210150.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2101430 is about 1449.6309875275. The cubic root of 2101430 is about 128.0869770179.

Adding to 2101430 its reverse (341012), we get a palindrome (2442442).

The spelling of 2101430 in words is "two million, one hundred one thousand, four hundred thirty".