1214648156 has 12 divisors (see below), whose sum is σ = 2131428768.
Its totient is φ = 605668512.
The previous prime is 1214648129. The next prime is 1214648167. The reversal of 1214648156 is 6518464121.
It is a congruent 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, 412241 + ... + 415176.
It is an arithmetic number, because the mean of its divisors is an integer number (177619064).
Almost surely, 21214648156 is an apocalyptic number.
It is an amenable number.
1214648156 is a deficient number, since it is larger than the sum of its proper divisors (916780612).
1214648156 is a wasteful number, since it uses less digits than its factorization.
1214648156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 827788 (or 827786 counting only the distinct ones).
The product of its digits is 46080, while the sum is 38.
The square root of 1214648156 is about 34851.8027654238.
The cubic root of 1214648156 is about 1066.9649796277.
The spelling of 1214648156 in words is "one billion, two hundred fourteen million, six hundred forty-eight thousand, one hundred fifty-six".