102387133 has 2 divisors, whose sum is σ = 102387134. Its totient is φ = 102387132.

The previous prime is 102387091. The next prime is 102387137. The reversal of 102387133 is 331783201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74960964 + 27426169 = 8658^2 + 5237^2 .

It is an emirp because it is prime and its reverse (331783201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102387133 - 2⁹ = 102386621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102387137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51193566 + 51193567.

It is an arithmetic number, because the mean of its divisors is an integer number (51193567).

Almost surely, 2^102387133 is an apocalyptic number.

It is an amenable number.

102387133 is a deficient number, since it is larger than the sum of its proper divisors (1).

102387133 is an equidigital number, since it uses as much as digits as its factorization.

102387133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 102387133 is about 10118.6527265244. The cubic root of 102387133 is about 467.8232418056.

It can be divided in two parts, 10238 and 7133, that added together give a palindrome (17371).

The spelling of 102387133 in words is "one hundred two million, three hundred eighty-seven thousand, one hundred thirty-three".