2102407 has 16 divisors (see below), whose sum is σ = 2453760. Its totient is φ = 1786752.

The previous prime is 2102383. The next prime is 2102411. The reversal of 2102407 is 7042012.

It is a cyclic number.

It is not a de Polignac number, because 2102407 - 2⁷ = 2102279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102417) 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 15 ways as a sum of consecutive naturals, for example, 7288 + ... + 7570.

It is an arithmetic number, because the mean of its divisors is an integer number (153360).

2^2102407 is an apocalyptic number.

2102407 is a deficient number, since it is larger than the sum of its proper divisors (351353).

2102407 is a wasteful number, since it uses less digits than its factorization.

2102407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2102407 is about 1449.9679306798. The cubic root of 2102407 is about 128.1068240725.

Adding to 2102407 its reverse (7042012), we get a palindrome (9144419).

The spelling of 2102407 in words is "two million, one hundred two thousand, four hundred seven".