1214697172 has 24 divisors (see below), whose sum is σ = 2290208256. Its totient is φ = 560391648.

The previous prime is 1214697163. The next prime is 1214697179. The reversal of 1214697172 is 2717964121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214697179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197853 + ... + 203899.

It is an arithmetic number, because the mean of its divisors is an integer number (95425344).

Almost surely, 2^1214697172 is an apocalyptic number.

It is an amenable number.

1214697172 is a deficient number, since it is larger than the sum of its proper divisors (1075511084).

1214697172 is a wasteful number, since it uses less digits than its factorization.

1214697172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927 (or 9925 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 1214697172 is about 34852.5059644210. The cubic root of 1214697172 is about 1066.9793315622.

The spelling of 1214697172 in words is "one billion, two hundred fourteen million, six hundred ninety-seven thousand, one hundred seventy-two".