101072158 has 8 divisors (see below), whose sum is σ = 165390840. Its totient is φ = 45941880.

The previous prime is 101072141. The next prime is 101072203. The reversal of 101072158 is 851270101.

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

It is a super-2 number, since 2×101072158² = 20431162245553928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 2297073 + ... + 2297116.

It is an arithmetic number, because the mean of its divisors is an integer number (20673855).

Almost surely, 2^101072158 is an apocalyptic number.

101072158 is a deficient number, since it is larger than the sum of its proper divisors (64318682).

101072158 is a wasteful number, since it uses less digits than its factorization.

101072158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594202.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 101072158 is about 10053.4649748234. The cubic root of 101072158 is about 465.8118288323.

The spelling of 101072158 in words is "one hundred one million, seventy-two thousand, one hundred fifty-eight".