101984247 has 12 divisors (see below), whose sum is σ = 151292440. Its totient is φ = 66151728.

The previous prime is 101984237. The next prime is 101984249. The reversal of 101984247 is 742489101.

It is not a de Polignac number, because 101984247 - 2⁷ = 101984119 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 (101984249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152797 + ... + 153462.

Almost surely, 2^101984247 is an apocalyptic number.

101984247 is a deficient number, since it is larger than the sum of its proper divisors (49308193).

101984247 is a wasteful number, since it uses less digits than its factorization.

101984247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306302 (or 306299 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 101984247 is about 10098.7250185358. The cubic root of 101984247 is about 467.2088182656.

The spelling of 101984247 in words is "one hundred one million, nine hundred eighty-four thousand, two hundred forty-seven".