102115001 has 4 divisors (see below), whose sum is σ = 102155904. Its totient is φ = 102074100.

The previous prime is 102114979. The next prime is 102115007. The reversal of 102115001 is 100511201.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102115001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102115007) 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, 16445 + ... + 21786.

It is an arithmetic number, because the mean of its divisors is an integer number (25538976).

Almost surely, 2^102115001 is an apocalyptic number.

It is an amenable number.

102115001 is a deficient number, since it is larger than the sum of its proper divisors (40903).

102115001 is an equidigital number, since it uses as much as digits as its factorization.

102115001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40902.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 102115001 is about 10105.1967323749. The cubic root of 102115001 is about 467.4084024649.

Adding to 102115001 its reverse (100511201), we get a palindrome (202626202).

The spelling of 102115001 in words is "one hundred two million, one hundred fifteen thousand, one".