1921052 has 48 divisors (see below), whose sum is σ = 4247040. Its totient is φ = 741312.

The previous prime is 1921037. The next prime is 1921063. The reversal of 1921052 is 2501291.

1921052 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

1921052 is an undulating number in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12158 + ... + 12314.

It is an arithmetic number, because the mean of its divisors is an integer number (88480).

2^1921052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1921052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2123520).

1921052 is an abundant number, since it is smaller than the sum of its proper divisors (2325988).

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

1921052 is a wasteful number, since it uses less digits than its factorization.

1921052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1921052 is about 1386.0202018730. The cubic root of 1921052 is about 124.3119961532.

The spelling of 1921052 in words is "one million, nine hundred twenty-one thousand, fifty-two".