3345187121 has 4 divisors (see below), whose sum is σ = 3541962852. Its totient is φ = 3148411392.

The previous prime is 3345187099. The next prime is 3345187147. The reversal of 3345187121 is 1217815433.

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 3067498225 + 277688896 = 55385^2 + 16664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3345187121 is a prime.

It is a super-2 number, since 2×3345187121² = 22380553749008537282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3345187421) 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, 98387840 + ... + 98387873.

It is an arithmetic number, because the mean of its divisors is an integer number (885490713).

Almost surely, 2^3345187121 is an apocalyptic number.

It is an amenable number.

3345187121 is a deficient number, since it is larger than the sum of its proper divisors (196775731).

3345187121 is a wasteful number, since it uses less digits than its factorization.

3345187121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196775730.

The product of its digits is 20160, while the sum is 35.

The square root of 3345187121 is about 57837.5926279786. The cubic root of 3345187121 is about 1495.5702080252.

The spelling of 3345187121 in words is "three billion, three hundred forty-five million, one hundred eighty-seven thousand, one hundred twenty-one".