1214268428 has 12 divisors (see below), whose sum is σ = 2125617312. Its totient is φ = 606949200.

The previous prime is 1214268427. The next prime is 1214268431. The reversal of 1214268428 is 8248624121.

It is a junction number, because it is equal to n+sod(n) for n = 1214268391 and 1214268400.

It is not an unprimeable number, because it can be changed into a prime (1214268427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30923 + ... + 58178.

It is an arithmetic number, because the mean of its divisors is an integer number (177134776).

Almost surely, 2^1214268428 is an apocalyptic number.

It is an amenable number.

1214268428 is a deficient number, since it is larger than the sum of its proper divisors (911348884).

1214268428 is a wasteful number, since it uses less digits than its factorization.

1214268428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92512 (or 92510 counting only the distinct ones).

The product of its digits is 49152, while the sum is 38.

The square root of 1214268428 is about 34846.3545869579. The cubic root of 1214268428 is about 1066.8537818010.

The spelling of 1214268428 in words is "one billion, two hundred fourteen million, two hundred sixty-eight thousand, four hundred twenty-eight".