1515134212 has 24 divisors (see below), whose sum is σ = 2663764992. Its totient is φ = 754068000.

The previous prime is 1515134149. The next prime is 1515134237. The reversal of 1515134212 is 2124315151.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441087 + ... + 1442137.

It is an arithmetic number, because the mean of its divisors is an integer number (110990208).

Almost surely, 2^1515134212 is an apocalyptic number.

It is an amenable number.

1515134212 is a deficient number, since it is larger than the sum of its proper divisors (1148630780).

1515134212 is a wasteful number, since it uses less digits than its factorization.

1515134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2377 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1515134212 is about 38924.7249444360. The cubic root of 1515134212 is about 1148.5512220889.

Adding to 1515134212 its reverse (2124315151), we get a palindrome (3639449363).

The spelling of 1515134212 in words is "one billion, five hundred fifteen million, one hundred thirty-four thousand, two hundred twelve".