1121214578 has 8 divisors (see below), whose sum is σ = 1834714800. Its totient is φ = 509642980.

The previous prime is 1121214553. The next prime is 1121214599. The reversal of 1121214578 is 8754121211.

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, 25482128 + ... + 25482171.

It is an arithmetic number, because the mean of its divisors is an integer number (229339350).

Almost surely, 2^1121214578 is an apocalyptic number.

1121214578 is a deficient number, since it is larger than the sum of its proper divisors (713500222).

1121214578 is a wasteful number, since it uses less digits than its factorization.

1121214578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50964312.

The product of its digits is 4480, while the sum is 32.

The square root of 1121214578 is about 33484.5423740567. The cubic root of 1121214578 is about 1038.8740829132.

Adding to 1121214578 its reverse (8754121211), we get a palindrome (9875335789).

The spelling of 1121214578 in words is "one billion, one hundred twenty-one million, two hundred fourteen thousand, five hundred seventy-eight".