102134497 has 4 divisors (see below), whose sum is σ = 102181780. Its totient is φ = 102087216.

The previous prime is 102134489. The next prime is 102134507. The reversal of 102134497 is 794431201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3549456 + 98585041 = 1884^2 + 9929^2 .

It is a cyclic number.

It is not a de Polignac number, because 102134497 - 2³ = 102134489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102134407) 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 in 3 ways as a sum of consecutive naturals, for example, 20238 + ... + 24775.

It is an arithmetic number, because the mean of its divisors is an integer number (25545445).

Almost surely, 2^102134497 is an apocalyptic number.

It is an amenable number.

102134497 is a deficient number, since it is larger than the sum of its proper divisors (47283).

102134497 is an equidigital number, since it uses as much as digits as its factorization.

102134497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47282.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 102134497 is about 10106.1613385103. The cubic root of 102134497 is about 467.4381467540.

Adding to 102134497 its reverse (794431201), we get a palindrome (896565698).

The spelling of 102134497 in words is "one hundred two million, one hundred thirty-four thousand, four hundred ninety-seven".