1120122015 has 16 divisors (see below), whose sum is σ = 1793826528. Its totient is φ = 596854656.

The previous prime is 1120121963. The next prime is 1120122019. The reversal of 1120122015 is 5102210211.

It is not a de Polignac number, because 1120122015 - 2¹⁴ = 1120105631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1120121985 and 1120122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120122019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16672 + ... + 50181.

It is an arithmetic number, because the mean of its divisors is an integer number (112114158).

Almost surely, 2^1120122015 is an apocalyptic number.

1120122015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1120122015 is a deficient number, since it is larger than the sum of its proper divisors (673704513).

1120122015 is a wasteful number, since it uses less digits than its factorization.

1120122015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67978.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1120122015 is about 33468.2239594514. The cubic root of 1120122015 is about 1038.5365310346.

Adding to 1120122015 its reverse (5102210211), we get a palindrome (6222332226).

The spelling of 1120122015 in words is "one billion, one hundred twenty million, one hundred twenty-two thousand, fifteen".