102254039 has 4 divisors (see below), whose sum is σ = 103159056. Its totient is φ = 101349024.

The previous prime is 102254003. The next prime is 102254059. The reversal of 102254039 is 930452201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102254039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102253999 and 102254017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102254059) 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, 452339 + ... + 452564.

It is an arithmetic number, because the mean of its divisors is an integer number (25789764).

Almost surely, 2^102254039 is an apocalyptic number.

102254039 is a deficient number, since it is larger than the sum of its proper divisors (905017).

102254039 is an equidigital number, since it uses as much as digits as its factorization.

102254039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905016.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 102254039 is about 10112.0739218026. The cubic root of 102254039 is about 467.6204446259.

The spelling of 102254039 in words is "one hundred two million, two hundred fifty-four thousand, thirty-nine".