1154112431 has 2 divisors, whose sum is σ = 1154112432. Its totient is φ = 1154112430.

The previous prime is 1154112367. The next prime is 1154112457. The reversal of 1154112431 is 1342114511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1154112431 - 2⁶ = 1154112367 is a prime.

It is a super-2 number, since 2×1154112431² = 2663951006777459522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1154112397 and 1154112406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154112481) 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, 577056215 + 577056216.

It is an arithmetic number, because the mean of its divisors is an integer number (577056216).

Almost surely, 2^1154112431 is an apocalyptic number.

1154112431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154112431 is an equidigital number, since it uses as much as digits as its factorization.

1154112431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 1154112431 is about 33972.2302918133. The cubic root of 1154112431 is about 1048.9369228367.

Adding to 1154112431 its reverse (1342114511), we get a palindrome (2496226942).

The spelling of 1154112431 in words is "one billion, one hundred fifty-four million, one hundred twelve thousand, four hundred thirty-one".