1275479122 has 8 divisors (see below), whose sum is σ = 1996402176. Its totient is φ = 610011732.

The previous prime is 1275479119. The next prime is 1275479137. The reversal of 1275479122 is 2219745721.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13863858 + ... + 13863949.

It is an arithmetic number, because the mean of its divisors is an integer number (249550272).

Almost surely, 2^1275479122 is an apocalyptic number.

1275479122 is a deficient number, since it is larger than the sum of its proper divisors (720923054).

1275479122 is a wasteful number, since it uses less digits than its factorization.

1275479122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27727832.

The product of its digits is 70560, while the sum is 40.

The square root of 1275479122 is about 35713.8505624919. The cubic root of 1275479122 is about 1084.4872521854.

The spelling of 1275479122 in words is "one billion, two hundred seventy-five million, four hundred seventy-nine thousand, one hundred twenty-two".