1065820950 has 96 divisors (see below), whose sum is σ = 3109756320. Its totient is φ = 267494400.

The previous prime is 1065820949. The next prime is 1065820969. The reversal of 1065820950 is 590285601.

It is a happy number.

It is a super-2 number, since 2×1065820950² = 2271948594917805000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 271 + ... + 46170.

It is an arithmetic number, because the mean of its divisors is an integer number (32393295).

Almost surely, 2^1065820950 is an apocalyptic number.

1065820950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065820950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554878160).

1065820950 is an abundant number, since it is smaller than the sum of its proper divisors (2043935370).

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

1065820950 is a wasteful number, since it uses less digits than its factorization.

1065820950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46479 (or 46468 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1065820950 is about 32646.9133303594. The cubic root of 1065820950 is about 1021.4758048526.

The spelling of 1065820950 in words is "one billion, sixty-five million, eight hundred twenty thousand, nine hundred fifty".