1021952 has 24 divisors (see below), whose sum is σ = 2047500. Its totient is φ = 509952.

The previous prime is 1021919. The next prime is 1021961. The reversal of 1021952 is 2591201.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1799 + ... + 2297.

2^1021952 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 1021952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023750).

1021952 is an abundant number, since it is smaller than the sum of its proper divisors (1025548).

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

1021952 is an frugal number, since it uses more digits than its factorization.

1021952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 501 counting only the distinct ones).

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

The square root of 1021952 is about 1010.9164159316. The cubic root of 1021952 is about 100.7264433552.

The spelling of 1021952 in words is "one million, twenty-one thousand, nine hundred fifty-two".