102634387 has 2 divisors, whose sum is σ = 102634388. Its totient is φ = 102634386.

The previous prime is 102634381. The next prime is 102634463. The reversal of 102634387 is 783436201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (783436201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102634387 - 2³ = 102634379 is a prime.

It is not a weakly prime, because it can be changed into another prime (102634381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51317193 + 51317194.

It is an arithmetic number, because the mean of its divisors is an integer number (51317194).

Almost surely, 2^102634387 is an apocalyptic number.

102634387 is a deficient number, since it is larger than the sum of its proper divisors (1).

102634387 is an equidigital number, since it uses as much as digits as its factorization.

102634387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 102634387 is about 10130.8630925504. The cubic root of 102634387 is about 468.1995201458.

The spelling of 102634387 in words is "one hundred two million, six hundred thirty-four thousand, three hundred eighty-seven".