102427387 has 4 divisors (see below), whose sum is σ = 102548320. Its totient is φ = 102306456.

The previous prime is 102427361. The next prime is 102427393. The reversal of 102427387 is 783724201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102427387 - 2¹⁵ = 102394619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102427337) 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, 59187 + ... + 60892.

It is an arithmetic number, because the mean of its divisors is an integer number (25637080).

Almost surely, 2^102427387 is an apocalyptic number.

102427387 is a deficient number, since it is larger than the sum of its proper divisors (120933).

102427387 is an equidigital number, since it uses as much as digits as its factorization.

102427387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120932.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 102427387 is about 10120.6416298573. The cubic root of 102427387 is about 467.8845427681.

The spelling of 102427387 in words is "one hundred two million, four hundred twenty-seven thousand, three hundred eighty-seven".