1214132428 has 12 divisors (see below), whose sum is σ = 2133623520. Its totient is φ = 604525712.

The previous prime is 1214132419. The next prime is 1214132429. The reversal of 1214132428 is 8242314121.

It is a junction number, because it is equal to n+sod(n) for n = 1214132396 and 1214132405.

It is not an unprimeable number, because it can be changed into a prime (1214132429) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 634051 + ... + 635962.

It is an arithmetic number, because the mean of its divisors is an integer number (177801960).

Almost surely, 2^1214132428 is an apocalyptic number.

It is an amenable number.

1214132428 is a deficient number, since it is larger than the sum of its proper divisors (919491092).

1214132428 is a wasteful number, since it uses less digits than its factorization.

1214132428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270256 (or 1270254 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 1214132428 is about 34844.4031086773. The cubic root of 1214132428 is about 1066.8139505390.

Adding to 1214132428 its reverse (8242314121), we get a palindrome (9456446549).

The spelling of 1214132428 in words is "one billion, two hundred fourteen million, one hundred thirty-two thousand, four hundred twenty-eight".