1255013404 has 12 divisors (see below), whose sum is σ = 2197107864. Its totient is φ = 627268304.

The previous prime is 1255013387. The next prime is 1255013453. The reversal of 1255013404 is 4043105521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47482 + ... + 69025.

It is an arithmetic number, because the mean of its divisors is an integer number (183092322).

Almost surely, 2^1255013404 is an apocalyptic number.

It is an amenable number.

1255013404 is a deficient number, since it is larger than the sum of its proper divisors (942094460).

1255013404 is a wasteful number, since it uses less digits than its factorization.

1255013404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119204 (or 119202 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1255013404 is about 35426.1683505287. The cubic root of 1255013404 is about 1078.6555641590.

Adding to 1255013404 its reverse (4043105521), we get a palindrome (5298118925).

The spelling of 1255013404 in words is "one billion, two hundred fifty-five million, thirteen thousand, four hundred four".