1219910072 has 32 divisors (see below), whose sum is σ = 2456010720. Its totient is φ = 565985280.

The previous prime is 1219910059. The next prime is 1219910119. The reversal of 1219910072 is 2700199121.

It is a congruent 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, 53513 + ... + 72824.

It is an arithmetic number, because the mean of its divisors is an integer number (76750335).

Almost surely, 2^1219910072 is an apocalyptic number.

It is an amenable number.

1219910072 is an abundant number, since it is smaller than the sum of its proper divisors (1236100648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1219910072 is a wasteful number, since it uses less digits than its factorization.

1219910072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126431 (or 126427 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 1219910072 is about 34927.2110538474. The cubic root of 1219910072 is about 1068.5034752028.

The spelling of 1219910072 in words is "one billion, two hundred nineteen million, nine hundred ten thousand, seventy-two".