1251433122 has 8 divisors (see below), whose sum is σ = 2502866256. Its totient is φ = 417144372.

The previous prime is 1251433111. The next prime is 1251433123. The reversal of 1251433122 is 2213341521.

It is a sphenic number, since it is the product of 3 distinct primes.

1251433122 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1251433092 and 1251433101.

It is not an unprimeable number, because it can be changed into a prime (1251433123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104286088 + ... + 104286099.

It is an arithmetic number, because the mean of its divisors is an integer number (312858282).

Almost surely, 2^1251433122 is an apocalyptic number.

1251433122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1251433122 is a wasteful number, since it uses less digits than its factorization.

1251433122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208572192.

The product of its digits is 1440, while the sum is 24.

The square root of 1251433122 is about 35375.6006592114. The cubic root of 1251433122 is about 1077.6288634879.

Adding to 1251433122 its reverse (2213341521), we get a palindrome (3464774643).

The spelling of 1251433122 in words is "one billion, two hundred fifty-one million, four hundred thirty-three thousand, one hundred twenty-two".