1121445502 has 4 divisors (see below), whose sum is σ = 1682168256. Its totient is φ = 560722750.

The previous prime is 1121445499. The next prime is 1121445517. The reversal of 1121445502 is 2055441211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2055441211 = 479 ⋅4291109.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280361374 + ... + 280361377.

It is an arithmetic number, because the mean of its divisors is an integer number (420542064).

Almost surely, 2^1121445502 is an apocalyptic number.

1121445502 is a deficient number, since it is larger than the sum of its proper divisors (560722754).

1121445502 is an equidigital number, since it uses as much as digits as its factorization.

1121445502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560722753.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1121445502 is about 33487.9904144755. The cubic root of 1121445502 is about 1038.9453997677.

Adding to 1121445502 its reverse (2055441211), we get a palindrome (3176886713).

The spelling of 1121445502 in words is "one billion, one hundred twenty-one million, four hundred forty-five thousand, five hundred two".