1120535551 has 12 divisors (see below), whose sum is σ = 1175332176. Its totient is φ = 1066271360.

The previous prime is 1120535519. The next prime is 1120535567. The reversal of 1120535551 is 1555350211.

It is not a de Polignac number, because 1120535551 - 2⁵ = 1120535519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120536551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1815795 + ... + 1816411.

It is an arithmetic number, because the mean of its divisors is an integer number (97944348).

Almost surely, 2^1120535551 is an apocalyptic number.

1120535551 is a deficient number, since it is larger than the sum of its proper divisors (54796625).

1120535551 is an frugal number, since it uses more digits than its factorization.

1120535551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 921 counting only the distinct ones).

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

The square root of 1120535551 is about 33474.4014285543. The cubic root of 1120535551 is about 1038.6643205064.

Adding to 1120535551 its reverse (1555350211), we get a palindrome (2675885762).

The spelling of 1120535551 in words is "one billion, one hundred twenty million, five hundred thirty-five thousand, five hundred fifty-one".