671201061 has 16 divisors (see below), whose sum is σ = 919786560. Its totient is φ = 435133440.

The previous prime is 671201039. The next prime is 671201093. The reversal of 671201061 is 160102176.

It is not a de Polignac number, because 671201061 - 2⁵ = 671201029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671201561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18181 + ... + 40901.

It is an arithmetic number, because the mean of its divisors is an integer number (57486660).

Almost surely, 2^671201061 is an apocalyptic number.

It is an amenable number.

671201061 is a deficient number, since it is larger than the sum of its proper divisors (248585499).

671201061 is a wasteful number, since it uses less digits than its factorization.

671201061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22996.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 671201061 is about 25907.5483402039. The cubic root of 671201061 is about 875.5565704184.

The spelling of 671201061 in words is "six hundred seventy-one million, two hundred one thousand, sixty-one".