1122045538 has 8 divisors (see below), whose sum is σ = 1699409088. Its totient is φ = 555575844.

The previous prime is 1122045497. The next prime is 1122045541. The reversal of 1122045538 is 8355402211.

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, 2723206 + ... + 2723617.

It is an arithmetic number, because the mean of its divisors is an integer number (212426136).

Almost surely, 2^1122045538 is an apocalyptic number.

1122045538 is a deficient number, since it is larger than the sum of its proper divisors (577363550).

1122045538 is a wasteful number, since it uses less digits than its factorization.

1122045538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446928.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1122045538 is about 33496.9481893500. The cubic root of 1122045538 is about 1039.1306646746.

Adding to 1122045538 its reverse (8355402211), we get a palindrome (9477447749).

The spelling of 1122045538 in words is "one billion, one hundred twenty-two million, forty-five thousand, five hundred thirty-eight".