3145230121 has 8 divisors (see below), whose sum is σ = 3431623104. Its totient is φ = 2858914320.

The previous prime is 3145230079. The next prime is 3145230131. The reversal of 3145230121 is 1210325413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3145230121 - 2⁹ = 3145229609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3145230092 and 3145230101.

It is not an unprimeable number, because it can be changed into a prime (3145230131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95791 + ... + 124363.

It is an arithmetic number, because the mean of its divisors is an integer number (428952888).

Almost surely, 2^3145230121 is an apocalyptic number.

It is an amenable number.

3145230121 is a deficient number, since it is larger than the sum of its proper divisors (286392983).

3145230121 is a wasteful number, since it uses less digits than its factorization.

3145230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38591.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3145230121 is about 56082.3512435062. The cubic root of 3145230121 is about 1465.1569247970.

Adding to 3145230121 its reverse (1210325413), we get a palindrome (4355555534).

The spelling of 3145230121 in words is "three billion, one hundred forty-five million, two hundred thirty thousand, one hundred twenty-one".