101072851 has 4 divisors (see below), whose sum is σ = 110261304. Its totient is φ = 91884400.

The previous prime is 101072819. The next prime is 101072891. The reversal of 101072851 is 158270101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101072851 - 2⁵ = 101072819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101072891) 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, 4594210 + ... + 4594231.

It is an arithmetic number, because the mean of its divisors is an integer number (27565326).

Almost surely, 2^101072851 is an apocalyptic number.

101072851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101072851 is a deficient number, since it is larger than the sum of its proper divisors (9188453).

101072851 is an equidigital number, since it uses as much as digits as its factorization.

101072851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9188452.

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

The square root of 101072851 is about 10053.4994404933. The cubic root of 101072851 is about 465.8128934409.

The spelling of 101072851 in words is "one hundred one million, seventy-two thousand, eight hundred fifty-one".