1328254701 has 4 divisors (see below), whose sum is σ = 1771006272. Its totient is φ = 885503132.

The previous prime is 1328254691. The next prime is 1328254769. The reversal of 1328254701 is 1074528231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1328254701 - 2⁹ = 1328254189 is a prime.

It is a super-3 number, since 3×1328254701³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328254001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 221375781 + ... + 221375786.

It is an arithmetic number, because the mean of its divisors is an integer number (442751568).

Almost surely, 2^1328254701 is an apocalyptic number.

It is an amenable number.

1328254701 is a deficient number, since it is larger than the sum of its proper divisors (442751571).

1328254701 is an equidigital number, since it uses as much as digits as its factorization.

1328254701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442751570.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1328254701 is about 36445.2287823797. The cubic root of 1328254701 is about 1099.2431987230.

The spelling of 1328254701 in words is "one billion, three hundred twenty-eight million, two hundred fifty-four thousand, seven hundred one".