1001942 has 8 divisors (see below), whose sum is σ = 1511136. Its totient is φ = 498232.

The previous prime is 1001941. The next prime is 1001947. The reversal of 1001942 is 2491001.

It is a happy number.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (188892).

2^1001942 is an apocalyptic number.

1001942 is a deficient number, since it is larger than the sum of its proper divisors (509194).

1001942 is a wasteful number, since it uses less digits than its factorization.

1001942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1001942 is about 1000.9705290367. The cubic root of 1001942 is about 100.0646914744.

Adding to 1001942 its reverse (2491001), we get a palindrome (3492943).

The spelling of 1001942 in words is "one million, one thousand, nine hundred forty-two".