1001010601 has 4 divisors (see below), whose sum is σ = 1004732100. Its totient is φ = 997289104.

The previous prime is 1001010589. The next prime is 1001010607. The reversal of 1001010601 is 1060101001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1060101001 = 67 ⋅15822403.

It can be written as a sum of positive squares in 2 ways, for example, as 24760576 + 976250025 = 4976^2 + 31245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001010601 - 2²¹ = 998913449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001010607) 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, 1860346 + ... + 1860883.

It is an arithmetic number, because the mean of its divisors is an integer number (251183025).

Almost surely, 2^1001010601 is an apocalyptic number.

It is an amenable number.

1001010601 is a deficient number, since it is larger than the sum of its proper divisors (3721499).

1001010601 is an equidigital number, since it uses as much as digits as its factorization.

1001010601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721498.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1001010601 is about 31638.7515714511. The cubic root of 1001010601 is about 1000.3367535843.

Adding to 1001010601 its reverse (1060101001), we get a palindrome (2061111602).

The spelling of 1001010601 in words is "one billion, one million, ten thousand, six hundred one".