1122530431 has 24 divisors (see below), whose sum is σ = 1330585200. Its totient is φ = 943113600.

The previous prime is 1122530411. The next prime is 1122530441. The reversal of 1122530431 is 1340352211.

It is a happy number.

It is not a de Polignac number, because 1122530431 - 2¹⁷ = 1122399359 is a prime.

It is a super-2 number, since 2×1122530431² = 2520149137042091522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122530411) 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 23 ways as a sum of consecutive naturals, for example, 88305 + ... + 100213.

It is an arithmetic number, because the mean of its divisors is an integer number (55441050).

Almost surely, 2^1122530431 is an apocalyptic number.

1122530431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1122530431 is a deficient number, since it is larger than the sum of its proper divisors (208054769).

1122530431 is a wasteful number, since it uses less digits than its factorization.

1122530431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11991 (or 11980 counting only the distinct ones).

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

The square root of 1122530431 is about 33504.1852758726. The cubic root of 1122530431 is about 1039.2803302046.

Adding to 1122530431 its reverse (1340352211), we get a palindrome (2462882642).

The spelling of 1122530431 in words is "one billion, one hundred twenty-two million, five hundred thirty thousand, four hundred thirty-one".