3891121301 has 8 divisors (see below), whose sum is σ = 4060953600. Its totient is φ = 3721343472.

The previous prime is 3891121229. The next prime is 3891121303. The reversal of 3891121301 is 1031211983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3891121301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891121303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212300 + ... + 229898.

It is an arithmetic number, because the mean of its divisors is an integer number (507619200).

Almost surely, 2^3891121301 is an apocalyptic number.

It is an amenable number.

3891121301 is a deficient number, since it is larger than the sum of its proper divisors (169832299).

3891121301 is a wasteful number, since it uses less digits than its factorization.

3891121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27235.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 3891121301 is about 62378.8529952259. The cubic root of 3891121301 is about 1572.8655121786.

The spelling of 3891121301 in words is "three billion, eight hundred ninety-one million, one hundred twenty-one thousand, three hundred one".