1287052 has 24 divisors (see below), whose sum is σ = 2476656. Its totient is φ = 581568.

The previous prime is 1287047. The next prime is 1287059. The reversal of 1287052 is 2507821.

It is not an unprimeable number, because it can be changed into a prime (1287059) 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, 2523 + ... + 2989.

It is an arithmetic number, because the mean of its divisors is an integer number (103194).

2^1287052 is an apocalyptic number.

It is an amenable number.

1287052 is a deficient number, since it is larger than the sum of its proper divisors (1189604).

1287052 is a wasteful number, since it uses less digits than its factorization.

1287052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1287052 is about 1134.4831422282. The cubic root of 1287052 is about 108.7757361910.

The spelling of 1287052 in words is "one million, two hundred eighty-seven thousand, fifty-two".