3451121 has 4 divisors (see below), whose sum is σ = 3460212. Its totient is φ = 3442032.

The previous prime is 3451111. The next prime is 3451157. The reversal of 3451121 is 1211543.

3451121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1079521 + 2371600 = 1039^2 + 1540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3451121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3451121.

It is not an unprimeable number, because it can be changed into a prime (3451111) 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 3 ways as a sum of consecutive naturals, for example, 3950 + ... + 4743.

It is an arithmetic number, because the mean of its divisors is an integer number (865053).

Almost surely, 2^3451121 is an apocalyptic number.

It is an amenable number.

3451121 is a deficient number, since it is larger than the sum of its proper divisors (9091).

3451121 is an equidigital number, since it uses as much as digits as its factorization.

3451121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090.

The product of its digits is 120, while the sum is 17.

The square root of 3451121 is about 1857.7193006480. The cubic root of 3451121 is about 151.1193448552.

Adding to 3451121 its reverse (1211543), we get a palindrome (4662664).

The spelling of 3451121 in words is "three million, four hundred fifty-one thousand, one hundred twenty-one".