1123254971 has 2 divisors, whose sum is σ = 1123254972. Its totient is φ = 1123254970.

The previous prime is 1123254967. The next prime is 1123254973. The reversal of 1123254971 is 1794523211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123254971 - 2² = 1123254967 is a prime.

Together with 1123254973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1123254973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561627485 + 561627486.

It is an arithmetic number, because the mean of its divisors is an integer number (561627486).

Almost surely, 2^1123254971 is an apocalyptic number.

1123254971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123254971 is an equidigital number, since it uses as much as digits as its factorization.

1123254971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 1123254971 is about 33514.9962106517. The cubic root of 1123254971 is about 1039.5038841203.

The spelling of 1123254971 in words is "one billion, one hundred twenty-three million, two hundred fifty-four thousand, nine hundred seventy-one".