3766312121 has 16 divisors (see below), whose sum is σ = 4436496960. Its totient is φ = 3152157120.

The previous prime is 3766312117. The next prime is 3766312133. The reversal of 3766312121 is 1212136673.

It is a cyclic number.

It is not a de Polignac number, because 3766312121 - 2² = 3766312117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3766312021) 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, 19451 + ... + 88943.

It is an arithmetic number, because the mean of its divisors is an integer number (277281060).

Almost surely, 2^3766312121 is an apocalyptic number.

It is an amenable number.

3766312121 is a deficient number, since it is larger than the sum of its proper divisors (670184839).

3766312121 is a wasteful number, since it uses less digits than its factorization.

3766312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69896.

The product of its digits is 9072, while the sum is 32.

The square root of 3766312121 is about 61370.2869554966. The cubic root of 3766312121 is about 1555.8656857484.

Adding to 3766312121 its reverse (1212136673), we get a palindrome (4978448794).

The spelling of 3766312121 in words is "three billion, seven hundred sixty-six million, three hundred twelve thousand, one hundred twenty-one".