3102247 has 4 divisors (see below), whose sum is σ = 3114576. Its totient is φ = 3089920.

The previous prime is 3102233. The next prime is 3102259. The reversal of 3102247 is 7422013.

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 3102247 - 2¹¹ = 3100199 is a prime.

It is a Duffinian number.

3102247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102227) 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, 5779 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (778644).

Almost surely, 2^3102247 is an apocalyptic number.

3102247 is a deficient number, since it is larger than the sum of its proper divisors (12329).

3102247 is a wasteful number, since it uses less digits than its factorization.

3102247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12328.

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

The square root of 3102247 is about 1761.3196756977. The cubic root of 3102247 is about 145.8451946452.

The spelling of 3102247 in words is "three million, one hundred two thousand, two hundred forty-seven".