3101121 has 9 divisors (see below), whose sum is σ = 4487041.
Its totient is φ = 2063892.
The previous prime is 3101069. The next prime is 3101141. The reversal of 3101121 is 1211013.
Adding to 3101121 its reverse (1211013), we get a palindrome (4312134).
It can be divided in two parts, 310 and 1121, that added together give a triangular number (1431 = T53).
The square root of 3101121 is 1761.
It is a perfect power (a square), and thus also a powerful number.
3101121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (9).
It is not a de Polignac number, because 3101121 - 211 = 3099073 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is an Ulam number.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3101141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4990 + ... + 5576.
Almost surely, 23101121 is an apocalyptic number.
3101121 is the 1761-st square number.
3101121 is the 881-st centered octagonal number.
It is an amenable number.
3101121 is a deficient number, since it is larger than the sum of its proper divisors (1385920).
3101121 is an frugal number, since it uses more digits than its factorization.
3101121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1180 (or 590 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The cubic root of 3101121 is about 145.8275470539.
The spelling of 3101121 in words is "three million, one hundred one thousand, one hundred twenty-one".