1002942 has 40 divisors (see below), whose sum is σ = 2317392. Its totient is φ = 324000.

The previous prime is 1002931. The next prime is 1002973. The reversal of 1002942 is 2492001.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6567 + ... + 6717.

2^1002942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158696).

1002942 is an abundant number, since it is smaller than the sum of its proper divisors (1314450).

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

1002942 is a wasteful number, since it uses less digits than its factorization.

1002942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1002942 is about 1001.4699196681. The cubic root of 1002942 is about 100.0979706528.

Adding to 1002942 its reverse (2492001), we get a palindrome (3494943).

The spelling of 1002942 in words is "one million, two thousand, nine hundred forty-two".