3125121166 has 8 divisors (see below), whose sum is σ = 4688115120. Its totient is φ = 1562416128.

The previous prime is 3125121163. The next prime is 3125121179. The reversal of 3125121166 is 6611215213.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125121163) 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, 42786 + ... + 89893.

It is an arithmetic number, because the mean of its divisors is an integer number (586014390).

Almost surely, 2^3125121166 is an apocalyptic number.

3125121166 is a deficient number, since it is larger than the sum of its proper divisors (1562993954).

3125121166 is a wasteful number, since it uses less digits than its factorization.

3125121166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144458.

The product of its digits is 2160, while the sum is 28.

The square root of 3125121166 is about 55902.7831686402. The cubic root of 3125121166 is about 1462.0277644107.

Adding to 3125121166 its reverse (6611215213), we get a palindrome (9736336379).

The spelling of 3125121166 in words is "three billion, one hundred twenty-five million, one hundred twenty-one thousand, one hundred sixty-six".