102601001 has 4 divisors (see below), whose sum is σ = 108636372. Its totient is φ = 96565632.

The previous prime is 102600997. The next prime is 102601021. The reversal of 102601001 is 100106201.

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 77088400 + 25512601 = 8780^2 + 5051^2 .

It is a cyclic number.

It is not a de Polignac number, because 102601001 - 2² = 102600997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102601021) 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, 3017660 + ... + 3017693.

It is an arithmetic number, because the mean of its divisors is an integer number (27159093).

Almost surely, 2^102601001 is an apocalyptic number.

It is an amenable number.

102601001 is a deficient number, since it is larger than the sum of its proper divisors (6035371).

102601001 is an equidigital number, since it uses as much as digits as its factorization.

102601001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035370.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102601001 is about 10129.2152213288. The cubic root of 102601001 is about 468.1487476745.

Adding to 102601001 its reverse (100106201), we get a palindrome (202707202).

The spelling of 102601001 in words is "one hundred two million, six hundred one thousand, one".