1285124 has 12 divisors (see below), whose sum is σ = 2271948. Its totient is φ = 636000.

The previous prime is 1285117. The next prime is 1285129. The reversal of 1285124 is 4215821.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 592900 = 832^2 + 770^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1285124.

It is not an unprimeable number, because it can be changed into a prime (1285129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (189329).

2^1285124 is an apocalyptic number.

It is an amenable number.

1285124 is a deficient number, since it is larger than the sum of its proper divisors (986824).

1285124 is a wasteful number, since it uses less digits than its factorization.

1285124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286 (or 3284 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1285124 is about 1133.6330976114. The cubic root of 1285124 is about 108.7213938059.

The spelling of 1285124 in words is "one million, two hundred eighty-five thousand, one hundred twenty-four".