1020792 has 16 divisors (see below), whose sum is σ = 2552040. Its totient is φ = 340256.

The previous prime is 1020779. The next prime is 1020797. The reversal of 1020792 is 2970201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020797) 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, 21243 + ... + 21290.

2^1020792 is an apocalyptic number.

1020792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020792 is an abundant number, since it is smaller than the sum of its proper divisors (1531248).

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

1020792 is a wasteful number, since it uses less digits than its factorization.

1020792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42542 (or 42538 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1020792 is about 1010.3425161795. The cubic root of 1020792 is about 100.6883179798.

Adding to 1020792 its reverse (2970201), we get a palindrome (3990993).

It can be divided in two parts, 10 and 20792, that added together give a palindrome (20802).

The spelling of 1020792 in words is "one million, twenty thousand, seven hundred ninety-two".