1300842 has 12 divisors (see below), whose sum is σ = 2818530. Its totient is φ = 433608.

The previous prime is 1300841. The next prime is 1300843. The reversal of 1300842 is 2480031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1300841) and next prime (1300843).

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 114921 = 1089^2 + 339^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 72269 = 1300842 / (1 + 3 + 0 + 0 + 8 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1300841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36117 + ... + 36152.

2^1300842 is an apocalyptic number.

1300842 is an abundant number, since it is smaller than the sum of its proper divisors (1517688).

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

1300842 is a wasteful number, since it uses less digits than its factorization.

1300842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72277 (or 72274 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1300842 is about 1140.5446067559. The cubic root of 1300842 is about 109.1628461133.

Adding to 1300842 its reverse (2480031), we get a palindrome (3780873).

The spelling of 1300842 in words is "one million, three hundred thousand, eight hundred forty-two".