1026644601 has 4 divisors (see below), whose sum is σ = 1368859472. Its totient is φ = 684429732.

The previous prime is 1026644599. The next prime is 1026644623. The reversal of 1026644601 is 1064466201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1026644601 - 2¹ = 1026644599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1026644681) 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, 171107431 + ... + 171107436.

It is an arithmetic number, because the mean of its divisors is an integer number (342214868).

Almost surely, 2^1026644601 is an apocalyptic number.

It is an amenable number.

1026644601 is a deficient number, since it is larger than the sum of its proper divisors (342214871).

1026644601 is an equidigital number, since it uses as much as digits as its factorization.

1026644601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342214870.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1026644601 is about 32041.2952453549. The cubic root of 1026644601 is about 1008.8037993323.

The spelling of 1026644601 in words is "one billion, twenty-six million, six hundred forty-four thousand, six hundred one".