102002051 has 8 divisors (see below), whose sum is σ = 109397520. Its totient is φ = 94809312.

The previous prime is 102002003. The next prime is 102002071. The reversal of 102002051 is 150200201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102002051 - 2¹⁰ = 102001027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102002071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49640 + ... + 51653.

It is an arithmetic number, because the mean of its divisors is an integer number (13674690).

Almost surely, 2^102002051 is an apocalyptic number.

102002051 is a deficient number, since it is larger than the sum of its proper divisors (7395469).

102002051 is a wasteful number, since it uses less digits than its factorization.

102002051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101365.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 102002051 is about 10099.6064774822. The cubic root of 102002051 is about 467.2360044963.

Adding to 102002051 its reverse (150200201), we get a palindrome (252202252).

The spelling of 102002051 in words is "one hundred two million, two thousand, fifty-one".