102480251 has 4 divisors (see below), whose sum is σ = 102514104. Its totient is φ = 102446400.

The previous prime is 102480239. The next prime is 102480253. The reversal of 102480251 is 152084201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102480251 - 2¹⁰ = 102479227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102480253) 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, 11885 + ... + 18606.

It is an arithmetic number, because the mean of its divisors is an integer number (25628526).

Almost surely, 2^102480251 is an apocalyptic number.

102480251 is a deficient number, since it is larger than the sum of its proper divisors (33853).

102480251 is an equidigital number, since it uses as much as digits as its factorization.

102480251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33852.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 102480251 is about 10123.2529850834. The cubic root of 102480251 is about 467.9650225278.

The spelling of 102480251 in words is "one hundred two million, four hundred eighty thousand, two hundred fifty-one".