1255543434 has 24 divisors (see below), whose sum is σ = 2738607300. Its totient is φ = 415704768.

The previous prime is 1255543433. The next prime is 1255543439. The reversal of 1255543434 is 4343455521.

It can be written as a sum of positive squares in 2 ways, for example, as 1243620225 + 11923209 = 35265^2 + 3453^2 .

It is not an unprimeable number, because it can be changed into a prime (1255543433) 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 11 ways as a sum of consecutive naturals, for example, 231387 + ... + 236750.

Almost surely, 2^1255543434 is an apocalyptic number.

1255543434 is an abundant number, since it is smaller than the sum of its proper divisors (1483063866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255543434 is a wasteful number, since it uses less digits than its factorization.

1255543434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468294 (or 468291 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 1255543434 is about 35433.6483303653. The cubic root of 1255543434 is about 1078.8073923761.

Adding to 1255543434 its reverse (4343455521), we get a palindrome (5598998955).

The spelling of 1255543434 in words is "one billion, two hundred fifty-five million, five hundred forty-three thousand, four hundred thirty-four".