1228913032 has 16 divisors (see below), whose sum is σ = 2305103760. Its totient is φ = 614218704.

The previous prime is 1228913009. The next prime is 1228913041. The reversal of 1228913032 is 2303198221.

It is a junction number, because it is equal to n+sod(n) for n = 1228912985 and 1228913003.

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, 6718 + ... + 50029.

It is an arithmetic number, because the mean of its divisors is an integer number (144068985).

Almost surely, 2^1228913032 is an apocalyptic number.

It is an amenable number.

1228913032 is a deficient number, since it is larger than the sum of its proper divisors (1076190728).

1228913032 is a wasteful number, since it uses less digits than its factorization.

1228913032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59460 (or 59456 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1228913032 is about 35055.8558874263. The cubic root of 1228913032 is about 1071.1255608542.

The spelling of 1228913032 in words is "one billion, two hundred twenty-eight million, nine hundred thirteen thousand, thirty-two".