1056061146 has 64 divisors (see below), whose sum is σ = 2566453248. Its totient is φ = 283153728.

The previous prime is 1056061121. The next prime is 1056061229. The reversal of 1056061146 is 6411606501.

It is a super-3 number, since 3×1056061146³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40885 + ... + 61511.

It is an arithmetic number, because the mean of its divisors is an integer number (40100832).

Almost surely, 2^1056061146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056061146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283226624).

1056061146 is an abundant number, since it is smaller than the sum of its proper divisors (1510392102).

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

1056061146 is a wasteful number, since it uses less digits than its factorization.

1056061146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20715.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1056061146 is about 32497.0944239635. The cubic root of 1056061146 is about 1018.3483284531.

Adding to 1056061146 its reverse (6411606501), we get a palindrome (7467667647).

The spelling of 1056061146 in words is "one billion, fifty-six million, sixty-one thousand, one hundred forty-six".