1214555424 has 24 divisors (see below), whose sum is σ = 3188208240. Its totient is φ = 404851776.

The previous prime is 1214555413. The next prime is 1214555437. The reversal of 1214555424 is 4245554121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

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, 6325714 + ... + 6325905.

It is an arithmetic number, because the mean of its divisors is an integer number (132842010).

Almost surely, 2^1214555424 is an apocalyptic number.

It is an amenable number.

1214555424 is an abundant number, since it is smaller than the sum of its proper divisors (1973652816).

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

1214555424 is a wasteful number, since it uses less digits than its factorization.

1214555424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12651632 (or 12651624 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 1214555424 is about 34850.4723640871. The cubic root of 1214555424 is about 1066.9378265481.

The spelling of 1214555424 in words is "one billion, two hundred fourteen million, five hundred fifty-five thousand, four hundred twenty-four".