901167871 has 4 divisors (see below), whose sum is σ = 903123144. Its totient is φ = 899212600.

The previous prime is 901167859. The next prime is 901167887. The reversal of 901167871 is 178761109.

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 901167871 - 2²³ = 892779263 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901167821) 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, 976945 + ... + 977866.

It is an arithmetic number, because the mean of its divisors is an integer number (225780786).

Almost surely, 2^901167871 is an apocalyptic number.

901167871 is a deficient number, since it is larger than the sum of its proper divisors (1955273).

901167871 is a wasteful number, since it uses less digits than its factorization.

901167871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955272.

The product of its (nonzero) digits is 21168, while the sum is 40.

The square root of 901167871 is about 30019.4582063035. The cubic root of 901167871 is about 965.9068215246.

The spelling of 901167871 in words is "nine hundred one million, one hundred sixty-seven thousand, eight hundred seventy-one".