1051992 has 48 divisors (see below), whose sum is σ = 3003000. Its totient is φ = 331776.

The previous prime is 1051991. The next prime is 1052027. The reversal of 1051992 is 2991501.

It is a happy number.

It is a super-2 number, since 2×1051992² = 2213374336128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984 + ... + 1752.

2^1051992 is an apocalyptic number.

1051992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1501500).

1051992 is an abundant number, since it is smaller than the sum of its proper divisors (1951008).

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

1051992 is a wasteful number, since it uses less digits than its factorization.

1051992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 1051992 is about 1025.6666125014. Note that the first 4 decimals coincide. The cubic root of 1051992 is about 101.7038700476.

The spelling of 1051992 in words is "one million, fifty-one thousand, nine hundred ninety-two".