1361642 has 8 divisors (see below), whose sum is σ = 2076132. Its totient is φ = 669600.

The previous prime is 1361629. The next prime is 1361677. The reversal of 1361642 is 2461631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 900601 + 461041 = 949^2 + 679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5459 + ... + 5702.

2^1361642 is an apocalyptic number.

1361642 is a deficient number, since it is larger than the sum of its proper divisors (714490).

1361642 is a wasteful number, since it uses less digits than its factorization.

1361642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224.

The product of its digits is 864, while the sum is 23.

The square root of 1361642 is about 1166.8941682946. The cubic root of 1361642 is about 110.8377360202.

The spelling of 1361642 in words is "one million, three hundred sixty-one thousand, six hundred forty-two".