1252730515 has 16 divisors (see below), whose sum is σ = 1583604000. Its totient is φ = 948713472.

The previous prime is 1252730513. The next prime is 1252730533. The reversal of 1252730515 is 5150372521.

It is not a de Polignac number, because 1252730515 - 2¹ = 1252730513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252730513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142899 + ... + 151411.

It is an arithmetic number, because the mean of its divisors is an integer number (98975250).

Almost surely, 2^1252730515 is an apocalyptic number.

1252730515 is a deficient number, since it is larger than the sum of its proper divisors (330873485).

1252730515 is a wasteful number, since it uses less digits than its factorization.

1252730515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 1252730515 is about 35393.9333078425. The cubic root of 1252730515 is about 1078.0011367497.

The spelling of 1252730515 in words is "one billion, two hundred fifty-two million, seven hundred thirty thousand, five hundred fifteen".