2140975 has 6 divisors (see below), whose sum is σ = 2654840. Its totient is φ = 1712760.

The previous prime is 2140973. The next prime is 2140987. The reversal of 2140975 is 5790412.

It is a happy number.

2140975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2140975 - 2¹ = 2140973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140973) 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 5 ways as a sum of consecutive naturals, for example, 42795 + ... + 42844.

2^2140975 is an apocalyptic number.

2140975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2140975 is a deficient number, since it is larger than the sum of its proper divisors (513865).

2140975 is an equidigital number, since it uses as much as digits as its factorization.

2140975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85649 (or 85644 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2140975 is about 1463.2070940233. The cubic root of 2140975 is about 128.8854420347.

The spelling of 2140975 in words is "two million, one hundred forty thousand, nine hundred seventy-five".