1228876132 has 12 divisors (see below), whose sum is σ = 2346036336. Its totient is φ = 558580040.

The previous prime is 1228876123. The next prime is 1228876157. The reversal of 1228876132 is 2316788221.

It is a happy number.

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, 13964458 + ... + 13964545.

It is an arithmetic number, because the mean of its divisors is an integer number (195503028).

Almost surely, 2^1228876132 is an apocalyptic number.

It is an amenable number.

1228876132 is a deficient number, since it is larger than the sum of its proper divisors (1117160204).

1228876132 is a wasteful number, since it uses less digits than its factorization.

1228876132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27929018 (or 27929016 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 1228876132 is about 35055.3295805360. The cubic root of 1228876132 is about 1071.1148400173.

The spelling of 1228876132 in words is "one billion, two hundred twenty-eight million, eight hundred seventy-six thousand, one hundred thirty-two".