1255434401 has 8 divisors (see below), whose sum is σ = 1352431080. Its totient is φ = 1158498432.

The previous prime is 1255434371. The next prime is 1255434413. The reversal of 1255434401 is 1044345521.

It can be written as a sum of positive squares in 4 ways, for example, as 16394401 + 1239040000 = 4049^2 + 35200^2 .

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

It is not a de Polignac number, because 1255434401 - 2⁶ = 1255434337 is a prime.

It is a super-2 number, since 2×1255434401² = 3152231070428457602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255434451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33605 + ... + 60333.

It is an arithmetic number, because the mean of its divisors is an integer number (169053885).

Almost surely, 2^1255434401 is an apocalyptic number.

It is an amenable number.

1255434401 is a deficient number, since it is larger than the sum of its proper divisors (96996679).

1255434401 is a wasteful number, since it uses less digits than its factorization.

1255434401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30355.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1255434401 is about 35432.1097452579. The cubic root of 1255434401 is about 1078.7761631335.

Adding to 1255434401 its reverse (1044345521), we get a palindrome (2299779922).

The spelling of 1255434401 in words is "one billion, two hundred fifty-five million, four hundred thirty-four thousand, four hundred one".