1121452646 has 4 divisors (see below), whose sum is σ = 1682178972. Its totient is φ = 560726322.

The previous prime is 1121452603. The next prime is 1121452663. The reversal of 1121452646 is 6462541211.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280363160 + ... + 280363163.

It is an arithmetic number, because the mean of its divisors is an integer number (420544743).

Almost surely, 2^1121452646 is an apocalyptic number.

1121452646 is a deficient number, since it is larger than the sum of its proper divisors (560726326).

1121452646 is an equidigital number, since it uses as much as digits as its factorization.

1121452646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560726325.

The product of its digits is 11520, while the sum is 32.

The square root of 1121452646 is about 33488.0970794102. The cubic root of 1121452646 is about 1038.9476059115.

Adding to 1121452646 its reverse (6462541211), we get a palindrome (7583993857).

The spelling of 1121452646 in words is "one billion, one hundred twenty-one million, four hundred fifty-two thousand, six hundred forty-six".