1255122641 has 8 divisors (see below), whose sum is σ = 1276567104. Its totient is φ = 1233706320.

The previous prime is 1255122629. The next prime is 1255122647. The reversal of 1255122641 is 1462215521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255122641 - 2³⁰ = 181380817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255122647) 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 7 ways as a sum of consecutive naturals, for example, 95516 + ... + 107858.

It is an arithmetic number, because the mean of its divisors is an integer number (159570888).

Almost surely, 2^1255122641 is an apocalyptic number.

It is an amenable number.

1255122641 is a deficient number, since it is larger than the sum of its proper divisors (21444463).

1255122641 is a wasteful number, since it uses less digits than its factorization.

1255122641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071.

The product of its digits is 4800, while the sum is 29.

The square root of 1255122641 is about 35427.7100727665. The cubic root of 1255122641 is about 1078.6868588259.

The spelling of 1255122641 in words is "one billion, two hundred fifty-five million, one hundred twenty-two thousand, six hundred forty-one".