1252727330 has 8 divisors (see below), whose sum is σ = 2254909212. Its totient is φ = 501090928.

The previous prime is 1252727321. The next prime is 1252727347. The reversal of 1252727330 is 337272521.

It can be written as a sum of positive squares in 2 ways, for example, as 1211805721 + 40921609 = 34811^2 + 6397^2 .

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, 62636357 + ... + 62636376.

Almost surely, 2^1252727330 is an apocalyptic number.

1252727330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252727330 is a deficient number, since it is larger than the sum of its proper divisors (1002181882).

1252727330 is a wasteful number, since it uses less digits than its factorization.

1252727330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125272740.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1252727330 is about 35393.8883142274. Note that the first 3 decimals coincide. The cubic root of 1252727330 is about 1078.0002231622. Note that the first 3 decimals are identical.

Adding to 1252727330 its reverse (337272521), we get a palindrome (1589999851).

The spelling of 1252727330 in words is "one billion, two hundred fifty-two million, seven hundred twenty-seven thousand, three hundred thirty".