3120121166 has 8 divisors (see below), whose sum is σ = 4883667984. Its totient is φ = 1492231840.

The previous prime is 3120121031. The next prime is 3120121171. The reversal of 3120121166 is 6611210213.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33914315 + ... + 33914406.

It is an arithmetic number, because the mean of its divisors is an integer number (610458498).

Almost surely, 2^3120121166 is an apocalyptic number.

3120121166 is a deficient number, since it is larger than the sum of its proper divisors (1763546818).

3120121166 is a wasteful number, since it uses less digits than its factorization.

3120121166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67828746.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3120121166 is about 55858.0447742310. The cubic root of 3120121166 is about 1461.2476302983.

Adding to 3120121166 its reverse (6611210213), we get a palindrome (9731331379).

The spelling of 3120121166 in words is "three billion, one hundred twenty million, one hundred twenty-one thousand, one hundred sixty-six".