1122520553 has 8 divisors (see below), whose sum is σ = 1399506240. Its totient is φ = 874691280.

The previous prime is 1122520537. The next prime is 1122520583. The reversal of 1122520553 is 3550252211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122520553 - 2⁴ = 1122520537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1122520583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7289018 + ... + 7289171.

It is an arithmetic number, because the mean of its divisors is an integer number (174938280).

Almost surely, 2^1122520553 is an apocalyptic number.

It is an amenable number.

1122520553 is a deficient number, since it is larger than the sum of its proper divisors (276985687).

1122520553 is a wasteful number, since it uses less digits than its factorization.

1122520553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14578207.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1122520553 is about 33504.0378611295. The cubic root of 1122520553 is about 1039.2772817227.

Adding to 1122520553 its reverse (3550252211), we get a palindrome (4672772764).

The spelling of 1122520553 in words is "one billion, one hundred twenty-two million, five hundred twenty thousand, five hundred fifty-three".