2126987 has 4 divisors (see below), whose sum is σ = 2140200. Its totient is φ = 2113776.

The previous prime is 2126963. The next prime is 2127007. The reversal of 2126987 is 7896212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2126987 - 2⁶ = 2126923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6362 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (535050).

2^2126987 is an apocalyptic number.

2126987 is a deficient number, since it is larger than the sum of its proper divisors (13213).

2126987 is a wasteful number, since it uses less digits than its factorization.

2126987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13212.

The product of its digits is 12096, while the sum is 35.

The square root of 2126987 is about 1458.4193498442. The cubic root of 2126987 is about 128.6041387086.

It can be divided in two parts, 2126 and 987, that added together give a palindrome (3113).

The spelling of 2126987 in words is "two million, one hundred twenty-six thousand, nine hundred eighty-seven".