102247997 has 8 divisors (see below), whose sum is σ = 106803840. Its totient is φ = 97760880.

The previous prime is 102247993. The next prime is 102248009. The reversal of 102247997 is 799742201.

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 102247997 - 2² = 102247993 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 (102247993) 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 7 ways as a sum of consecutive naturals, for example, 14129 + ... + 20102.

It is an arithmetic number, because the mean of its divisors is an integer number (13350480).

Almost surely, 2^102247997 is an apocalyptic number.

It is an amenable number.

102247997 is a deficient number, since it is larger than the sum of its proper divisors (4555843).

102247997 is a wasteful number, since it uses less digits than its factorization.

102247997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34363.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 102247997 is about 10111.7751656176. The cubic root of 102247997 is about 467.6112341719.

The spelling of 102247997 in words is "one hundred two million, two hundred forty-seven thousand, nine hundred ninety-seven".