1252365394 has 8 divisors (see below), whose sum is σ = 2146912128. Its totient is φ = 536728020.

The previous prime is 1252365269. The next prime is 1252365403. The reversal of 1252365394 is 4935632521.

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

It is an unprimeable number.

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, 44727322 + ... + 44727349.

It is an arithmetic number, because the mean of its divisors is an integer number (268364016).

Almost surely, 2^1252365394 is an apocalyptic number.

1252365394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1252365394 is a deficient number, since it is larger than the sum of its proper divisors (894546734).

1252365394 is an equidigital number, since it uses as much as digits as its factorization.

1252365394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89454680.

The product of its digits is 194400, while the sum is 40.

The square root of 1252365394 is about 35388.7749717336. The cubic root of 1252365394 is about 1077.8963951222.

The spelling of 1252365394 in words is "one billion, two hundred fifty-two million, three hundred sixty-five thousand, three hundred ninety-four".