1231122095 has 8 divisors (see below), whose sum is σ = 1688396064. Its totient is φ = 844197984.

The previous prime is 1231122077. The next prime is 1231122097. The reversal of 1231122095 is 5902211321.

It is a happy number.

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

It is not a de Polignac number, because 1231122095 - 2⁸ = 1231121839 is a prime.

It is a super-2 number, since 2×1231122095² = 3031323225594378050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231122097) 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 7 ways as a sum of consecutive naturals, for example, 17587424 + ... + 17587493.

It is an arithmetic number, because the mean of its divisors is an integer number (211049508).

Almost surely, 2^1231122095 is an apocalyptic number.

1231122095 is a deficient number, since it is larger than the sum of its proper divisors (457273969).

1231122095 is an equidigital number, since it uses as much as digits as its factorization.

1231122095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35174929.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1231122095 is about 35087.3495009241. The cubic root of 1231122095 is about 1071.7669860812.

The spelling of 1231122095 in words is "one billion, two hundred thirty-one million, one hundred twenty-two thousand, ninety-five".