102002437 has 4 divisors (see below), whose sum is σ = 102082860. Its totient is φ = 101922016.

The previous prime is 102002419. The next prime is 102002441. The reversal of 102002437 is 734200201.

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 88096996 + 13905441 = 9386^2 + 3729^2 .

It is a cyclic number.

It is not a de Polignac number, because 102002437 - 2¹¹ = 102000389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38278 + ... + 40855.

It is an arithmetic number, because the mean of its divisors is an integer number (25520715).

Almost surely, 2^102002437 is an apocalyptic number.

It is an amenable number.

102002437 is a deficient number, since it is larger than the sum of its proper divisors (80423).

102002437 is an equidigital number, since it uses as much as digits as its factorization.

102002437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80422.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 102002437 is about 10099.6255871196. The cubic root of 102002437 is about 467.2365938729.

Adding to 102002437 its reverse (734200201), we get a palindrome (836202638).

The spelling of 102002437 in words is "one hundred two million, two thousand, four hundred thirty-seven".