1122135251 has 8 divisors (see below), whose sum is σ = 1172102880. Its totient is φ = 1072919232.

The previous prime is 1122135233. The next prime is 1122135253. The reversal of 1122135251 is 1525312211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122135251 - 2⁶ = 1122135187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122135253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184850 + ... + 190823.

It is an arithmetic number, because the mean of its divisors is an integer number (146512860).

Almost surely, 2^1122135251 is an apocalyptic number.

1122135251 is a deficient number, since it is larger than the sum of its proper divisors (49967629).

1122135251 is a wasteful number, since it uses less digits than its factorization.

1122135251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375805.

The product of its digits is 600, while the sum is 23.

The square root of 1122135251 is about 33498.2872845762. The cubic root of 1122135251 is about 1039.1583584540.

Adding to 1122135251 its reverse (1525312211), we get a palindrome (2647447462).

The spelling of 1122135251 in words is "one billion, one hundred twenty-two million, one hundred thirty-five thousand, two hundred fifty-one".