1120551553 has 8 divisors (see below), whose sum is σ = 1222928640. Its totient is φ = 1018259280.

The previous prime is 1120551479. The next prime is 1120551557. The reversal of 1120551553 is 3551550211.

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 1120551553 - 2²¹ = 1118454401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120551557) 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, 8208 + ... + 48046.

It is an arithmetic number, because the mean of its divisors is an integer number (152866080).

Almost surely, 2^1120551553 is an apocalyptic number.

It is an amenable number.

1120551553 is a deficient number, since it is larger than the sum of its proper divisors (102377087).

1120551553 is a wasteful number, since it uses less digits than its factorization.

1120551553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42407.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1120551553 is about 33474.6404461646. The cubic root of 1120551553 is about 1038.6692647574.

The spelling of 1120551553 in words is "one billion, one hundred twenty million, five hundred fifty-one thousand, five hundred fifty-three".