1122345031 has 4 divisors (see below), whose sum is σ = 1123416000. Its totient is φ = 1121274064.

The previous prime is 1122345019. The next prime is 1122345047. The reversal of 1122345031 is 1305432211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1305432211 = 659 ⋅1980929.

It is a cyclic number.

It is not a de Polignac number, because 1122345031 - 2⁷ = 1122344903 is a prime.

It is a super-2 number, since 2×1122345031² = 2519316737220781922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122344993 and 1122345011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122345011) 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, 533911 + ... + 536008.

It is an arithmetic number, because the mean of its divisors is an integer number (280854000).

Almost surely, 2^1122345031 is an apocalyptic number.

1122345031 is a deficient number, since it is larger than the sum of its proper divisors (1070969).

1122345031 is a wasteful number, since it uses less digits than its factorization.

1122345031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070968.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1122345031 is about 33501.4183431090. The cubic root of 1122345031 is about 1039.2231103209.

Adding to 1122345031 its reverse (1305432211), we get a palindrome (2427777242).

The spelling of 1122345031 in words is "one billion, one hundred twenty-two million, three hundred forty-five thousand, thirty-one".