3148147121 has 4 divisors (see below), whose sum is σ = 3597882432. Its totient is φ = 2698411812.

The previous prime is 3148147087. The next prime is 3148147127. The reversal of 3148147121 is 1217418413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3148147121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3148147127) 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, 224867645 + ... + 224867658.

It is an arithmetic number, because the mean of its divisors is an integer number (899470608).

Almost surely, 2^3148147121 is an apocalyptic number.

It is an amenable number.

3148147121 is a deficient number, since it is larger than the sum of its proper divisors (449735311).

3148147121 is an equidigital number, since it uses as much as digits as its factorization.

3148147121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449735310.

The product of its digits is 5376, while the sum is 32.

The square root of 3148147121 is about 56108.3516154235. The cubic root of 3148147121 is about 1465.6097313242.

The spelling of 3148147121 in words is "three billion, one hundred forty-eight million, one hundred forty-seven thousand, one hundred twenty-one".