1012204601 has 4 divisors (see below), whose sum is σ = 1014729204. Its totient is φ = 1009680000.

The previous prime is 1012204561. The next prime is 1012204607. The reversal of 1012204601 is 1064022101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 954748201 + 57456400 = 30899^2 + 7580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012204601 - 2¹⁴ = 1012188217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012204601.

It is not an unprimeable number, because it can be changed into a prime (1012204607) by changing a digit.

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, 1261700 + ... + 1262501.

It is an arithmetic number, because the mean of its divisors is an integer number (253682301).

Almost surely, 2^1012204601 is an apocalyptic number.

It is an amenable number.

1012204601 is a deficient number, since it is larger than the sum of its proper divisors (2524603).

1012204601 is an equidigital number, since it uses as much as digits as its factorization.

1012204601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524602.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1012204601 is about 31815.1630673174. The cubic root of 1012204601 is about 1004.0517613907.

Adding to 1012204601 its reverse (1064022101), we get a palindrome (2076226702).

The spelling of 1012204601 in words is "one billion, twelve million, two hundred four thousand, six hundred one".