1252753018 has 32 divisors (see below), whose sum is σ = 2207373120. Its totient is φ = 526844160.

The previous prime is 1252753009. The next prime is 1252753027. The reversal of 1252753018 is 8103572521.

It is an interprime number because it is at equal distance from previous prime (1252753009) and next prime (1252753027).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6321 + ... + 50452.

It is an arithmetic number, because the mean of its divisors is an integer number (68980410).

Almost surely, 2^1252753018 is an apocalyptic number.

1252753018 is a deficient number, since it is larger than the sum of its proper divisors (954620102).

1252753018 is a wasteful number, since it uses less digits than its factorization.

1252753018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56862.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 1252753018 is about 35394.2511998771. The cubic root of 1252753018 is about 1078.0075914804.

The spelling of 1252753018 in words is "one billion, two hundred fifty-two million, seven hundred fifty-three thousand, eighteen".