1255434045 has 16 divisors (see below), whose sum is σ = 2009145600. Its totient is φ = 669414464.

The previous prime is 1255434017. The next prime is 1255434049. The reversal of 1255434045 is 5404345521.

It is a cyclic number.

It is not a de Polignac number, because 1255434045 - 2⁸ = 1255433789 is a prime.

It is a super-2 number, since 2×1255434045² = 3152229282690124050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1255433997 and 1255434015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255434049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102931 + ... + 114479.

It is an arithmetic number, because the mean of its divisors is an integer number (125571600).

Almost surely, 2^1255434045 is an apocalyptic number.

1255434045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255434045 is a deficient number, since it is larger than the sum of its proper divisors (753711555).

1255434045 is a wasteful number, since it uses less digits than its factorization.

1255434045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18804.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 1255434045 is about 35432.1047215657. The cubic root of 1255434045 is about 1078.7760611649.

Adding to 1255434045 its reverse (5404345521), we get a palindrome (6659779566).

The spelling of 1255434045 in words is "one billion, two hundred fifty-five million, four hundred thirty-four thousand, forty-five".