79102125001 has 3 divisors (see below), whose sum is σ = 79102406253. Its totient is φ = 79101843750.

The previous prime is 79102124989. The next prime is 79102125013. The reversal of 79102125001 is 10052120197.

The square root of 79102125001 is 281251.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10052120197 = 7 ⋅1436017171.

It is an interprime number because it is at equal distance from previous prime (79102124989) and next prime (79102125013).

It is not a de Polignac number, because 79102125001 - 2²¹ = 79100027849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79102125061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 140626 + ... + 421876.

It is an arithmetic number, because the mean of its divisors is an integer number (26367468751).

Almost surely, 2^79102125001 is an apocalyptic number.

79102125001 is the 281251-st square number.

79102125001 is the 140626-th centered octagonal number.

It is an amenable number.

79102125001 is a deficient number, since it is larger than the sum of its proper divisors (281252).

79102125001 is an frugal number, since it uses more digits than its factorization.

79102125001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562502 (or 281251 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 28.

Adding to 79102125001 its reverse (10052120197), we get a palindrome (89154245198).

The spelling of 79102125001 in words is "seventy-nine billion, one hundred two million, one hundred twenty-five thousand, one".