102550481 has 8 divisors (see below), whose sum is σ = 112018464. Its totient is φ = 93106720.

The previous prime is 102550439. The next prime is 102550489. The reversal of 102550481 is 184055201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102550481 - 2⁶ = 102550417 is a prime.

It is a super-2 number, since 2×102550481² = 21033202306662722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102550481.

It is not an unprimeable number, because it can be changed into a prime (102550489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3461 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (14002308).

Almost surely, 2^102550481 is an apocalyptic number.

102550481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102550481 is a deficient number, since it is larger than the sum of its proper divisors (9467983).

102550481 is a wasteful number, since it uses less digits than its factorization.

102550481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 102550481 is about 10126.7211376635. The cubic root of 102550481 is about 468.0718973598.

The spelling of 102550481 in words is "one hundred two million, five hundred fifty thousand, four hundred eighty-one".