1012032445 has 4 divisors (see below), whose sum is σ = 1214438940. Its totient is φ = 809625952.

The previous prime is 1012032433. The next prime is 1012032449. The reversal of 1012032445 is 5442302101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5442302101 = 9803 ⋅555167.

It can be written as a sum of positive squares in 2 ways, for example, as 687960441 + 324072004 = 26229^2 + 18002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012032445 - 2⁷ = 1012032317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012032449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 101203240 + ... + 101203249.

It is an arithmetic number, because the mean of its divisors is an integer number (303609735).

Almost surely, 2^1012032445 is an apocalyptic number.

It is an amenable number.

1012032445 is a deficient number, since it is larger than the sum of its proper divisors (202406495).

1012032445 is an equidigital number, since it uses as much as digits as its factorization.

1012032445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202406494.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1012032445 is about 31812.4573870049. The cubic root of 1012032445 is about 1003.9948350422.

Adding to 1012032445 its reverse (5442302101), we get a palindrome (6454334546).

The spelling of 1012032445 in words is "one billion, twelve million, thirty-two thousand, four hundred forty-five".