102775480 has 32 divisors (see below), whose sum is σ = 235612800. Its totient is φ = 40333696.

The previous prime is 102775471. The next prime is 102775487. The reversal of 102775480 is 84577201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102775487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22120 + ... + 26359.

It is an arithmetic number, because the mean of its divisors is an integer number (7362900).

Almost surely, 2^102775480 is an apocalyptic number.

102775480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102775480 is an abundant number, since it is smaller than the sum of its proper divisors (132837320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102775480 is a wasteful number, since it uses less digits than its factorization.

102775480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48543 (or 48539 counting only the distinct ones).

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

The square root of 102775480 is about 10137.8242241617. The cubic root of 102775480 is about 468.4139688273.

The spelling of 102775480 in words is "one hundred two million, seven hundred seventy-five thousand, four hundred eighty".