2125144 has 32 divisors (see below), whose sum is σ = 4603680. Its totient is φ = 900864.

The previous prime is 2125111. The next prime is 2125147. The reversal of 2125144 is 4415212.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7534 + ... + 7810.

It is an arithmetic number, because the mean of its divisors is an integer number (143865).

2^2125144 is an apocalyptic number.

It is an amenable number.

2125144 is an abundant number, since it is smaller than the sum of its proper divisors (2478536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125144 is a wasteful number, since it uses less digits than its factorization.

2125144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 423 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 2125144 is about 1457.7873644671. The cubic root of 2125144 is about 128.5669835030.

It can be divided in two parts, 212 and 5144, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 2125144 in words is "two million, one hundred twenty-five thousand, one hundred forty-four".