1224999938 has 8 divisors (see below), whose sum is σ = 1838086032. Its totient is φ = 612304596.

The previous prime is 1224999929. The next prime is 1224999967. The reversal of 1224999938 is 8399994221.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 89720 + ... + 102467.

It is an arithmetic number, because the mean of its divisors is an integer number (229760754).

Almost surely, 2^1224999938 is an apocalyptic number.

1224999938 is a deficient number, since it is larger than the sum of its proper divisors (613086094).

1224999938 is a wasteful number, since it uses less digits than its factorization.

1224999938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195376.

The product of its digits is 2519424, while the sum is 56.

The square root of 1224999938 is about 34999.9991142857. Note that the first 3 decimals coincide. The cubic root of 1224999938 is about 1069.9874625136.

The spelling of 1224999938 in words is "one billion, two hundred twenty-four million, nine hundred ninety-nine thousand, nine hundred thirty-eight".