101791047 has 8 divisors (see below), whose sum is σ = 135806320. Its totient is φ = 67818240.

The previous prime is 101791003. The next prime is 101791051. The reversal of 101791047 is 740197101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101791047 - 2¹⁰ = 101790023 is a prime.

It is a super-2 number, since 2×101791047² = 20722834498712418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101791057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522 + ... + 14967.

It is an arithmetic number, because the mean of its divisors is an integer number (16975790).

Almost surely, 2^101791047 is an apocalyptic number.

101791047 is a deficient number, since it is larger than the sum of its proper divisors (34015273).

101791047 is a wasteful number, since it uses less digits than its factorization.

101791047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 101791047 is about 10089.1549200119. The cubic root of 101791047 is about 466.9136033807.

The spelling of 101791047 in words is "one hundred one million, seven hundred ninety-one thousand, forty-seven".