1252016547 has 8 divisors (see below), whose sum is σ = 1669643280. Its totient is φ = 834533760.

The previous prime is 1252016537. The next prime is 1252016567. The reversal of 1252016547 is 7456102521.

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

It is not a de Polignac number, because 1252016547 - 2⁸ = 1252016291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1252016537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13722 + ... + 51887.

It is an arithmetic number, because the mean of its divisors is an integer number (208705410).

Almost surely, 2^1252016547 is an apocalyptic number.

1252016547 is a deficient number, since it is larger than the sum of its proper divisors (417626733).

1252016547 is an equidigital number, since it uses as much as digits as its factorization.

1252016547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71973.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1252016547 is about 35383.8458480703. The cubic root of 1252016547 is about 1077.7963029700.

The spelling of 1252016547 in words is "one billion, two hundred fifty-two million, sixteen thousand, five hundred forty-seven".