1022043140 has 12 divisors (see below), whose sum is σ = 2146290636. Its totient is φ = 408817248.

The previous prime is 1022043097. The next prime is 1022043161. The reversal of 1022043140 is 413402201.

It can be written as a sum of positive squares in 2 ways, for example, as 218093824 + 803949316 = 14768^2 + 28354^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25551059 + ... + 25551098.

It is an arithmetic number, because the mean of its divisors is an integer number (178857553).

Almost surely, 2^1022043140 is an apocalyptic number.

1022043140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022043140 is an abundant number, since it is smaller than the sum of its proper divisors (1124247496).

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

1022043140 is a wasteful number, since it uses less digits than its factorization.

1022043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51102166 (or 51102164 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1022043140 is about 31969.4094409015. The cubic root of 1022043140 is about 1007.2943760387.

Adding to 1022043140 its reverse (413402201), we get a palindrome (1435445341).

The spelling of 1022043140 in words is "one billion, twenty-two million, forty-three thousand, one hundred forty".