2125775 has 12 divisors (see below), whose sum is σ = 2751312. Its totient is φ = 1626240.

The previous prime is 2125771. The next prime is 2125793. The reversal of 2125775 is 5775212.

It is not a de Polignac number, because 2125775 - 2² = 2125771 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 (2125771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1274 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (229276).

2^2125775 is an apocalyptic number.

2125775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2125775 is a deficient number, since it is larger than the sum of its proper divisors (625537).

2125775 is a wasteful number, since it uses less digits than its factorization.

2125775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3725 counting only the distinct ones).

The product of its digits is 4900, while the sum is 29.

The square root of 2125775 is about 1458.0037722859. The cubic root of 2125775 is about 128.5797069919.

The spelling of 2125775 in words is "two million, one hundred twenty-five thousand, seven hundred seventy-five".