1371842 has 8 divisors (see below), whose sum is σ = 2065932. Its totient is φ = 683200.

The previous prime is 1371841. The next prime is 1371863. The reversal of 1371842 is 2481731.

It can be written as a sum of positive squares in 2 ways, for example, as 1343281 + 28561 = 1159^2 + 169^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371841) 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 3 ways as a sum of consecutive naturals, for example, 659 + ... + 1782.

2^1371842 is an apocalyptic number.

1371842 is a deficient number, since it is larger than the sum of its proper divisors (694090).

1371842 is a wasteful number, since it uses less digits than its factorization.

1371842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its digits is 1344, while the sum is 26.

The square root of 1371842 is about 1171.2565901629. The cubic root of 1371842 is about 111.1138080086.

The spelling of 1371842 in words is "one million, three hundred seventy-one thousand, eight hundred forty-two".