1120451115 has 32 divisors (see below), whose sum is σ = 2054062080. Its totient is φ = 510897024.

The previous prime is 1120451089. The next prime is 1120451119. The reversal of 1120451115 is 5111540211.

It is not a de Polignac number, because 1120451115 - 2⁵ = 1120451083 is a prime.

It is a super-2 number, since 2×1120451115² = 2510821402209486450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1120451091 and 1120451100.

It is not an unprimeable number, because it can be changed into a prime (1120451119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28246 + ... + 55124.

It is an arithmetic number, because the mean of its divisors is an integer number (64189440).

Almost surely, 2^1120451115 is an apocalyptic number.

1120451115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1120451115 is a deficient number, since it is larger than the sum of its proper divisors (933610965).

1120451115 is a wasteful number, since it uses less digits than its factorization.

1120451115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27291.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1120451115 is about 33473.1402022577. The cubic root of 1120451115 is about 1038.6382309389.

Adding to 1120451115 its reverse (5111540211), we get a palindrome (6231991326).

The spelling of 1120451115 in words is "one billion, one hundred twenty million, four hundred fifty-one thousand, one hundred fifteen".