102662039 has 4 divisors (see below), whose sum is σ = 102693480. Its totient is φ = 102630600.

The previous prime is 102662029. The next prime is 102662047. The reversal of 102662039 is 930266201.

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

It is a cyclic number.

It is not a de Polignac number, because 102662039 - 2¹⁶ = 102596503 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 (102662029) 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, 10169 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (25673370).

Almost surely, 2^102662039 is an apocalyptic number.

102662039 is a deficient number, since it is larger than the sum of its proper divisors (31441).

102662039 is an equidigital number, since it uses as much as digits as its factorization.

102662039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31440.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 102662039 is about 10132.2277412226. The cubic root of 102662039 is about 468.2415641786.

The spelling of 102662039 in words is "one hundred two million, six hundred sixty-two thousand, thirty-nine".