2142907 has 4 divisors (see below), whose sum is σ = 2307760. Its totient is φ = 1978056.

The previous prime is 2142883. The next prime is 2142911. The reversal of 2142907 is 7092412.

2142907 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 cyclic number.

It is not a de Polignac number, because 2142907 - 2¹⁹ = 1618619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142967) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 82407 + ... + 82432.

It is an arithmetic number, because the mean of its divisors is an integer number (576940).

2^2142907 is an apocalyptic number.

2142907 is a deficient number, since it is larger than the sum of its proper divisors (164853).

2142907 is a wasteful number, since it uses less digits than its factorization.

2142907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164852.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2142907 is about 1463.8671387800. The cubic root of 2142907 is about 128.9241988022.

The spelling of 2142907 in words is "two million, one hundred forty-two thousand, nine hundred seven".