130512451 has 4 divisors (see below), whose sum is σ = 138189672. Its totient is φ = 122835232.

The previous prime is 130512443. The next prime is 130512457. The reversal of 130512451 is 154215031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154215031 = 79 ⋅1952089.

It is a cyclic number.

It is not a de Polignac number, because 130512451 - 2³ = 130512443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130512457) 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, 3838585 + ... + 3838618.

It is an arithmetic number, because the mean of its divisors is an integer number (34547418).

Almost surely, 2^130512451 is an apocalyptic number.

130512451 is a deficient number, since it is larger than the sum of its proper divisors (7677221).

130512451 is an equidigital number, since it uses as much as digits as its factorization.

130512451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677220.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 130512451 is about 11424.2046112629. The cubic root of 130512451 is about 507.2444632307.

Adding to 130512451 its reverse (154215031), we get a palindrome (284727482).

It can be divided in two parts, 13051 and 2451, that multiplied together give a triangular number (31988001 = T₇₉₉₈).

The spelling of 130512451 in words is "one hundred thirty million, five hundred twelve thousand, four hundred fifty-one".