1551113122 has 16 divisors (see below), whose sum is σ = 2513714112. Its totient is φ = 713592720.

The previous prime is 1551113119. The next prime is 1551113159. The reversal of 1551113122 is 2213111551.

It is a junction number, because it is equal to n+sod(n) for n = 1551113093 and 1551113102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87828 + ... + 103999.

It is an arithmetic number, because the mean of its divisors is an integer number (157107132).

Almost surely, 2^1551113122 is an apocalyptic number.

1551113122 is a deficient number, since it is larger than the sum of its proper divisors (962600990).

1551113122 is a wasteful number, since it uses less digits than its factorization.

1551113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192153.

The product of its digits is 300, while the sum is 22.

The square root of 1551113122 is about 39384.1734964694. The cubic root of 1551113122 is about 1157.5714953809.

Adding to 1551113122 its reverse (2213111551), we get a palindrome (3764224673).

The spelling of 1551113122 in words is "one billion, five hundred fifty-one million, one hundred thirteen thousand, one hundred twenty-two".