1252804115 has 4 divisors (see below), whose sum is σ = 1503364944. Its totient is φ = 1002243288.

The previous prime is 1252804087. The next prime is 1252804117. The reversal of 1252804115 is 5114082521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5114082521 = 373 ⋅13710677.

It is a cyclic number.

It is not a de Polignac number, because 1252804115 - 2¹⁶ = 1252738579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252804117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125280407 + ... + 125280416.

It is an arithmetic number, because the mean of its divisors is an integer number (375841236).

Almost surely, 2^1252804115 is an apocalyptic number.

1252804115 is a deficient number, since it is larger than the sum of its proper divisors (250560829).

1252804115 is an equidigital number, since it uses as much as digits as its factorization.

1252804115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250560828.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 1252804115 is about 35394.9730187777. The cubic root of 1252804115 is about 1078.0222477891.

Adding to 1252804115 its reverse (5114082521), we get a palindrome (6366886636).

The spelling of 1252804115 in words is "one billion, two hundred fifty-two million, eight hundred four thousand, one hundred fifteen".