2145124 has 6 divisors (see below), whose sum is σ = 3753974. Its totient is φ = 1072560.

The previous prime is 2145113. The next prime is 2145131. The reversal of 2145124 is 4215412.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 322624 = 1350^2 + 568^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268137 + ... + 268144.

2^2145124 is an apocalyptic number.

It is an amenable number.

2145124 is a deficient number, since it is larger than the sum of its proper divisors (1608850).

2145124 is a wasteful number, since it uses less digits than its factorization.

2145124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536285 (or 536283 counting only the distinct ones).

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

The square root of 2145124 is about 1464.6241838779. The cubic root of 2145124 is about 128.9686441026.

The spelling of 2145124 in words is "two million, one hundred forty-five thousand, one hundred twenty-four".