1281702 has 16 divisors (see below), whose sum is σ = 2698560. Its totient is φ = 404712.

The previous prime is 1281697. The next prime is 1281703. The reversal of 1281702 is 2071821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1281703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5508 + ... + 5735.

It is an arithmetic number, because the mean of its divisors is an integer number (168660).

2^1281702 is an apocalyptic number.

1281702 is an abundant number, since it is smaller than the sum of its proper divisors (1416858).

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

1281702 is a wasteful number, since it uses less digits than its factorization.

1281702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11267.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1281702 is about 1132.1227848604. The cubic root of 1281702 is about 108.6248077117.

It can be divided in two parts, 128 and 1702, that added together give a triangular number (1830 = T₆₀).

The spelling of 1281702 in words is "one million, two hundred eighty-one thousand, seven hundred two".