1223122031 has 8 divisors (see below), whose sum is σ = 1253668800. Its totient is φ = 1192763808.

The previous prime is 1223122007. The next prime is 1223122039. The reversal of 1223122031 is 1302213221.

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 1223122031 - 2¹⁰ = 1223121007 is a prime.

It is a super-2 number, since 2×1223122031² = 2992055005435129922, 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 (1223122039) 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, 33956 + ... + 59993.

It is an arithmetic number, because the mean of its divisors is an integer number (156708600).

Almost surely, 2^1223122031 is an apocalyptic number.

1223122031 is a deficient number, since it is larger than the sum of its proper divisors (30546769).

1223122031 is an equidigital number, since it uses as much as digits as its factorization.

1223122031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94273.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1223122031 is about 34973.1615814184. The cubic root of 1223122031 is about 1069.4404245043.

Adding to 1223122031 its reverse (1302213221), we get a palindrome (2525335252).

The spelling of 1223122031 in words is "one billion, two hundred twenty-three million, one hundred twenty-two thousand, thirty-one".