1253622116 has 12 divisors (see below), whose sum is σ = 2198931840. Its totient is φ = 625355880.

The previous prime is 1253622103. The next prime is 1253622119. The reversal of 1253622116 is 6112263521.

It is not an unprimeable number, because it can be changed into a prime (1253622119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361856 + ... + 365303.

It is an arithmetic number, because the mean of its divisors is an integer number (183244320).

Almost surely, 2^1253622116 is an apocalyptic number.

It is an amenable number.

1253622116 is a deficient number, since it is larger than the sum of its proper divisors (945309724).

1253622116 is a wasteful number, since it uses less digits than its factorization.

1253622116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727594 (or 727592 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 1253622116 is about 35406.5264605270. The cubic root of 1253622116 is about 1078.2568232802.

Adding to 1253622116 its reverse (6112263521), we get a palindrome (7365885637).

The spelling of 1253622116 in words is "one billion, two hundred fifty-three million, six hundred twenty-two thousand, one hundred sixteen".