1287034 has 24 divisors (see below), whose sum is σ = 2347488. Its totient is φ = 526680.

The previous prime is 1287007. The next prime is 1287047. The reversal of 1287034 is 4307821.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1969 + ... + 2539.

It is an arithmetic number, because the mean of its divisors is an integer number (97812).

2^1287034 is an apocalyptic number.

1287034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1287034 is a deficient number, since it is larger than the sum of its proper divisors (1060454).

1287034 is a wasteful number, since it uses less digits than its factorization.

1287034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1287034 is about 1134.4752090725. The cubic root of 1287034 is about 108.7752290962.

It can be divided in two parts, 12870 and 34, that multiplied together give a triangular number (437580 = T₉₃₅).

The spelling of 1287034 in words is "one million, two hundred eighty-seven thousand, thirty-four".