1042122331 has 2 divisors, whose sum is σ = 1042122332. Its totient is φ = 1042122330.

The previous prime is 1042122307. The next prime is 1042122359. The reversal of 1042122331 is 1332212401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042122331 - 2⁵ = 1042122299 is a prime.

It is a super-2 number, since 2×1042122331² = 2172037905537747122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042122299 and 1042122308.

It is not a weakly prime, because it can be changed into another prime (1042122391) 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 as a sum of consecutive naturals, namely, 521061165 + 521061166.

It is an arithmetic number, because the mean of its divisors is an integer number (521061166).

Almost surely, 2^1042122331 is an apocalyptic number.

1042122331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042122331 is an equidigital number, since it uses as much as digits as its factorization.

1042122331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1042122331 is about 32281.9195680802. The cubic root of 1042122331 is about 1013.8481213158.

Adding to 1042122331 its reverse (1332212401), we get a palindrome (2374334732).

The spelling of 1042122331 in words is "one billion, forty-two million, one hundred twenty-two thousand, three hundred thirty-one".