1062061890 has 64 divisors (see below), whose sum is σ = 2596838400. Its totient is φ = 277928640.

The previous prime is 1062061877. The next prime is 1062061907. The reversal of 1062061890 is 981602601.

It is a super-2 number, since 2×1062061890² = 2255950916380744200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624261 + ... + 625959.

It is an arithmetic number, because the mean of its divisors is an integer number (40575600).

Almost surely, 2^1062061890 is an apocalyptic number.

1062061890 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 1062061890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298419200).

1062061890 is an abundant number, since it is smaller than the sum of its proper divisors (1534776510).

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

1062061890 is a wasteful number, since it uses less digits than its factorization.

1062061890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1062061890 is about 32589.2910324849. The cubic root of 1062061890 is about 1020.2735041259.

The spelling of 1062061890 in words is "one billion, sixty-two million, sixty-one thousand, eight hundred ninety".