1214020120 has 32 divisors (see below), whose sum is σ = 2783088720. Its totient is φ = 476444800.

The previous prime is 1214020111. The next prime is 1214020139. The reversal of 1214020120 is 210204121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214020120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284206 + ... + 288445.

Almost surely, 2^1214020120 is an apocalyptic number.

1214020120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214020120 is an abundant number, since it is smaller than the sum of its proper divisors (1569068600).

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

1214020120 is a wasteful number, since it uses less digits than its factorization.

1214020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572715 (or 572711 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1214020120 is about 34842.7915069961. The cubic root of 1214020120 is about 1066.7810558748.

Adding to 1214020120 its reverse (210204121), we get a palindrome (1424224241).

The spelling of 1214020120 in words is "one billion, two hundred fourteen million, twenty thousand, one hundred twenty".