1020126032 has 20 divisors (see below), whose sum is σ = 1993988820. Its totient is φ = 505548288.

The previous prime is 1020126031. The next prime is 1020126047. The reversal of 1020126032 is 2306210201.

It can be written as a sum of positive squares in 2 ways, for example, as 338707216 + 681418816 = 18404^2 + 26104^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1020126032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020126031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280307 + ... + 283922.

It is an arithmetic number, because the mean of its divisors is an integer number (99699441).

Almost surely, 2^1020126032 is an apocalyptic number.

It is an amenable number.

1020126032 is a deficient number, since it is larger than the sum of its proper divisors (973862788).

1020126032 is a wasteful number, since it uses less digits than its factorization.

1020126032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564350 (or 564344 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1020126032 is about 31939.4118918931. The cubic root of 1020126032 is about 1006.6641675498.

Adding to 1020126032 its reverse (2306210201), we get a palindrome (3326336233).

The spelling of 1020126032 in words is "one billion, twenty million, one hundred twenty-six thousand, thirty-two".