101605742 has 8 divisors (see below), whose sum is σ = 174181296. Its totient is φ = 43545312.

The previous prime is 101605741. The next prime is 101605769. The reversal of 101605742 is 247506101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101605741) 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, 3628763 + ... + 3628790.

It is an arithmetic number, because the mean of its divisors is an integer number (21772662).

Almost surely, 2^101605742 is an apocalyptic number.

101605742 is a deficient number, since it is larger than the sum of its proper divisors (72575554).

101605742 is an equidigital number, since it uses as much as digits as its factorization.

101605742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257562.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 101605742 is about 10079.9673610583. The cubic root of 101605742 is about 466.6301011032.

The spelling of 101605742 in words is "one hundred one million, six hundred five thousand, seven hundred forty-two".