5145230121 has 8 divisors (see below), whose sum is σ = 6914325504. Its totient is φ = 3403144080.

The previous prime is 5145230071. The next prime is 5145230131. The reversal of 5145230121 is 1210325415.

It is a happy number.

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

It is not a de Polignac number, because 5145230121 - 2¹⁷ = 5145099049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5145230091 and 5145230100.

It is not an unprimeable number, because it can be changed into a prime (5145230131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6751890 + ... + 6752651.

It is an arithmetic number, because the mean of its divisors is an integer number (864290688).

Almost surely, 2^5145230121 is an apocalyptic number.

It is an amenable number.

5145230121 is a deficient number, since it is larger than the sum of its proper divisors (1769095383).

5145230121 is a wasteful number, since it uses less digits than its factorization.

5145230121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504671.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5145230121 is about 71730.2594516429. The cubic root of 5145230121 is about 1726.3741898421.

Adding to 5145230121 its reverse (1210325415), we get a palindrome (6355555536).

The spelling of 5145230121 in words is "five billion, one hundred forty-five million, two hundred thirty thousand, one hundred twenty-one".