1122146231 has 4 divisors (see below), whose sum is σ = 1126287264. Its totient is φ = 1118005200.

The previous prime is 1122146227. The next prime is 1122146269. The reversal of 1122146231 is 1326412211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122146231 - 2² = 1122146227 is a prime.

It is a super-3 number, since 3×1122146231³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122146197 and 1122146206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122166231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2070110 + ... + 2070651.

It is an arithmetic number, because the mean of its divisors is an integer number (281571816).

Almost surely, 2^1122146231 is an apocalyptic number.

1122146231 is a deficient number, since it is larger than the sum of its proper divisors (4141033).

1122146231 is an equidigital number, since it uses as much as digits as its factorization.

1122146231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141032.

The product of its digits is 576, while the sum is 23.

The square root of 1122146231 is about 33498.4511731513. The cubic root of 1122146231 is about 1039.1617478023.

Adding to 1122146231 its reverse (1326412211), we get a palindrome (2448558442).

The spelling of 1122146231 in words is "one billion, one hundred twenty-two million, one hundred forty-six thousand, two hundred thirty-one".