1208451122 has 18 divisors (see below), whose sum is σ = 1855612863. Its totient is φ = 590238972.

The previous prime is 1208451121. The next prime is 1208451131. The reversal of 1208451122 is 2211548021.

It can be written as a sum of positive squares in only one way, i.e., 604225561 + 604225561 = 24581^2 + 24581^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24581.

It is a super-2 number, since 2×1208451122² = 2920708228526117768, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1208451091 and 1208451100.

It is not an unprimeable number, because it can be changed into a prime (1208451121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2310353 + ... + 2310875.

Almost surely, 2^1208451122 is an apocalyptic number.

1208451122 is a deficient number, since it is larger than the sum of its proper divisors (647161741).

1208451122 is an frugal number, since it uses more digits than its factorization.

1208451122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1208451122 is about 34762.7835766930. The cubic root of 1208451122 is about 1065.1473627704.

Adding to 1208451122 its reverse (2211548021), we get a palindrome (3419999143).

The spelling of 1208451122 in words is "one billion, two hundred eight million, four hundred fifty-one thousand, one hundred twenty-two".