102427641 has 12 divisors (see below), whose sum is σ = 150743268. Its totient is φ = 66996384.

The previous prime is 102427631. The next prime is 102427649. The reversal of 102427641 is 146724201.

102427641 is a `hidden beast` number, since 10 + 2 + 4 + 2 + 7 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26998416 + 75429225 = 5196^2 + 8685^2 .

It is not a de Polignac number, because 102427641 - 2¹⁷ = 102296569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102427649) 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 11 ways as a sum of consecutive naturals, for example, 106890 + ... + 107843.

It is an arithmetic number, because the mean of its divisors is an integer number (12561939).

Almost surely, 2^102427641 is an apocalyptic number.

It is an amenable number.

102427641 is a deficient number, since it is larger than the sum of its proper divisors (48315627).

102427641 is a wasteful number, since it uses less digits than its factorization.

102427641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214792 (or 214789 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 102427641 is about 10120.6541784610. The cubic root of 102427641 is about 467.8849295220.

The spelling of 102427641 in words is "one hundred two million, four hundred twenty-seven thousand, six hundred forty-one".