1230122555 has 8 divisors (see below), whose sum is σ = 1484680752. Its totient is φ = 978408928.

The previous prime is 1230122539. The next prime is 1230122599. The reversal of 1230122555 is 5552210321.

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 1230122555 - 2⁴ = 1230122539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710189 + ... + 711918.

It is an arithmetic number, because the mean of its divisors is an integer number (185585094).

Almost surely, 2^1230122555 is an apocalyptic number.

1230122555 is a deficient number, since it is larger than the sum of its proper divisors (254558197).

1230122555 is a wasteful number, since it uses less digits than its factorization.

1230122555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422285.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1230122555 is about 35073.1030135630. The cubic root of 1230122555 is about 1071.4768540062.

Adding to 1230122555 its reverse (5552210321), we get a palindrome (6782332876).

The spelling of 1230122555 in words is "one billion, two hundred thirty million, one hundred twenty-two thousand, five hundred fifty-five".