1020132243 has 48 divisors (see below), whose sum is σ = 1708892640. Its totient is φ = 580764672.

The previous prime is 1020132161. The next prime is 1020132251. The reversal of 1020132243 is 3422310201.

It is not a de Polignac number, because 1020132243 - 2²¹ = 1018035091 is a prime.

It is a super-2 number, since 2×1020132243² = 2081339586416422098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020132263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113005 + ... + 121697.

It is an arithmetic number, because the mean of its divisors is an integer number (35601930).

Almost surely, 2^1020132243 is an apocalyptic number.

1020132243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020132243 is a deficient number, since it is larger than the sum of its proper divisors (688760397).

1020132243 is a wasteful number, since it uses less digits than its factorization.

1020132243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788 (or 8785 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1020132243 is about 31939.5091227151. The cubic root of 1020132243 is about 1006.6662105583. Note that the first 3 decimals are identical.

Adding to 1020132243 its reverse (3422310201), we get a palindrome (4442442444).

The spelling of 1020132243 in words is "one billion, twenty million, one hundred thirty-two thousand, two hundred forty-three".