102480757 has 4 divisors (see below), whose sum is σ = 102551436. Its totient is φ = 102410080.

The previous prime is 102480733. The next prime is 102480769. The reversal of 102480757 is 757084201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 757084201 = 31 ⋅24422071.

It can be written as a sum of positive squares in 2 ways, for example, as 69372241 + 33108516 = 8329^2 + 5754^2 .

It is a cyclic number.

It is not a de Polignac number, because 102480757 - 2⁷ = 102480629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102480457) 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, 33118 + ... + 36079.

It is an arithmetic number, because the mean of its divisors is an integer number (25637859).

Almost surely, 2^102480757 is an apocalyptic number.

It is an amenable number.

102480757 is a deficient number, since it is larger than the sum of its proper divisors (70679).

102480757 is an equidigital number, since it uses as much as digits as its factorization.

102480757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70678.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 102480757 is about 10123.2779770191. The cubic root of 102480757 is about 467.9657927246.

The spelling of 102480757 in words is "one hundred two million, four hundred eighty thousand, seven hundred fifty-seven".