1302642 has 80 divisors (see below), whose sum is σ = 3449952. Its totient is φ = 362880.

The previous prime is 1302617. The next prime is 1302647. The reversal of 1302642 is 2462031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1302647) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30273 + ... + 30315.

2^1302642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724976).

1302642 is an abundant number, since it is smaller than the sum of its proper divisors (2147310).

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

1302642 is a wasteful number, since it uses less digits than its factorization.

1302642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1302642 is about 1141.3334306854. Note that the first 3 decimals coincide. The cubic root of 1302642 is about 109.2131731482.

Adding to 1302642 its reverse (2462031), we get a palindrome (3764673).

It can be divided in two parts, 130 and 2642, that added together give a palindrome (2772).

The spelling of 1302642 in words is "one million, three hundred two thousand, six hundred forty-two".