1141454861 has 2 divisors, whose sum is σ = 1141454862. Its totient is φ = 1141454860.

The previous prime is 1141454857. The next prime is 1141454863. The reversal of 1141454861 is 1684541411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 754545961 + 386908900 = 27469^2 + 19670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141454861 - 2² = 1141454857 is a prime.

Together with 1141454863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141454863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570727430 + 570727431.

It is an arithmetic number, because the mean of its divisors is an integer number (570727431).

Almost surely, 2^1141454861 is an apocalyptic number.

It is an amenable number.

1141454861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141454861 is an equidigital number, since it uses as much as digits as its factorization.

1141454861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 35.

The square root of 1141454861 is about 33785.4237948853. The cubic root of 1141454861 is about 1045.0881273022.

The spelling of 1141454861 in words is "one billion, one hundred forty-one million, four hundred fifty-four thousand, eight hundred sixty-one".