101055247 has 4 divisors (see below), whose sum is σ = 102055896. Its totient is φ = 100054600.

The previous prime is 101055233. The next prime is 101055271. The reversal of 101055247 is 742550101.

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-101055247 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 (101055847) 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, 500173 + ... + 500374.

It is an arithmetic number, because the mean of its divisors is an integer number (25513974).

Almost surely, 2^101055247 is an apocalyptic number.

101055247 is a deficient number, since it is larger than the sum of its proper divisors (1000649).

101055247 is a wasteful number, since it uses less digits than its factorization.

101055247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000648.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 101055247 is about 10052.6238863294. The cubic root of 101055247 is about 465.7858481093.

The spelling of 101055247 in words is "one hundred one million, fifty-five thousand, two hundred forty-seven".