1122542099 has 4 divisors (see below), whose sum is σ = 1282905264. Its totient is φ = 962178936.

The previous prime is 1122542093. The next prime is 1122542107. The reversal of 1122542099 is 9902452211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122542099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122542093) 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, 80181572 + ... + 80181585.

It is an arithmetic number, because the mean of its divisors is an integer number (320726316).

Almost surely, 2^1122542099 is an apocalyptic number.

1122542099 is a deficient number, since it is larger than the sum of its proper divisors (160363165).

1122542099 is an equidigital number, since it uses as much as digits as its factorization.

1122542099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160363164.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1122542099 is about 33504.3594029195. The cubic root of 1122542099 is about 1039.2839310813.

The spelling of 1122542099 in words is "one billion, one hundred twenty-two million, five hundred forty-two thousand, ninety-nine".