1253624122 has 8 divisors (see below), whose sum is σ = 1945278900. Its totient is φ = 605197824.

The previous prime is 1253624111. The next prime is 1253624129. The reversal of 1253624122 is 2214263521.

It can be written as a sum of positive squares in 2 ways, for example, as 1085636601 + 167987521 = 32949^2 + 12961^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1253624129) 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, 10807047 + ... + 10807162.

Almost surely, 2^1253624122 is an apocalyptic number.

1253624122 is a deficient number, since it is larger than the sum of its proper divisors (691654778).

1253624122 is a wasteful number, since it uses less digits than its factorization.

1253624122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21614240.

The product of its digits is 5760, while the sum is 28.

The square root of 1253624122 is about 35406.5547886264. The cubic root of 1253624122 is about 1078.2573984089.

Adding to 1253624122 its reverse (2214263521), we get a palindrome (3467887643).

The spelling of 1253624122 in words is "one billion, two hundred fifty-three million, six hundred twenty-four thousand, one hundred twenty-two".