1020342 has 8 divisors (see below), whose sum is σ = 2040696. Its totient is φ = 340112.

The previous prime is 1020337. The next prime is 1020353. The reversal of 1020342 is 2430201.

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

1020342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85023 + ... + 85034.

It is an arithmetic number, because the mean of its divisors is an integer number (255087).

2^1020342 is an apocalyptic number.

1020342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1020342 is a wasteful number, since it uses less digits than its factorization.

1020342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170062.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1020342 is about 1010.1197948758. The cubic root of 1020342 is about 100.6735201879.

Adding to 1020342 its reverse (2430201), we get a palindrome (3450543).

The spelling of 1020342 in words is "one million, twenty thousand, three hundred forty-two".