1255065634 has 16 divisors (see below), whose sum is σ = 1982393280. Its totient is φ = 594291600.

The previous prime is 1255065619. The next prime is 1255065649. The reversal of 1255065634 is 4365605521.

It is an interprime number because it is at equal distance from previous prime (1255065619) and next prime (1255065649).

It is a junction number, because it is equal to n+sod(n) for n = 1255065593 and 1255065602.

It is an unprimeable number.

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, 167059 + ... + 174409.

It is an arithmetic number, because the mean of its divisors is an integer number (123899580).

Almost surely, 2^1255065634 is an apocalyptic number.

1255065634 is a deficient number, since it is larger than the sum of its proper divisors (727327646).

1255065634 is a wasteful number, since it uses less digits than its factorization.

1255065634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11865.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 1255065634 is about 35426.9055097958. The cubic root of 1255065634 is about 1078.6705274516.

The spelling of 1255065634 in words is "one billion, two hundred fifty-five million, sixty-five thousand, six hundred thirty-four".