2127542 has 4 divisors (see below), whose sum is σ = 3191316. Its totient is φ = 1063770.

The previous prime is 2127529. The next prime is 2127553. The reversal of 2127542 is 2457212.

It is a happy number.

2127542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531884 + ... + 531887.

It is an arithmetic number, because the mean of its divisors is an integer number (797829).

2^2127542 is an apocalyptic number.

2127542 is a deficient number, since it is larger than the sum of its proper divisors (1063774).

2127542 is a wasteful number, since it uses less digits than its factorization.

2127542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063773.

The product of its digits is 1120, while the sum is 23.

The square root of 2127542 is about 1458.6096119250. The cubic root of 2127542 is about 128.6153234016.

The spelling of 2127542 in words is "two million, one hundred twenty-seven thousand, five hundred forty-two".