102555441 has 12 divisors (see below), whose sum is σ = 156849732. Its totient is φ = 64348416.

The previous prime is 102555377. The next prime is 102555463. The reversal of 102555441 is 144555201.

102555441 is a `hidden beast` number, since 102 + 5 + 554 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72743841 + 29811600 = 8529^2 + 5460^2 .

It is not a de Polignac number, because 102555441 - 2⁶ = 102555377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102575441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 334996 + ... + 335301.

It is an arithmetic number, because the mean of its divisors is an integer number (13070811).

Almost surely, 2^102555441 is an apocalyptic number.

It is an amenable number.

102555441 is a deficient number, since it is larger than the sum of its proper divisors (54294291).

102555441 is a wasteful number, since it uses less digits than its factorization.

102555441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670320 (or 670317 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 102555441 is about 10126.9660313442. The cubic root of 102555441 is about 468.0794435594.

The spelling of 102555441 in words is "one hundred two million, five hundred fifty-five thousand, four hundred forty-one".