1154103161 has 2 divisors, whose sum is σ = 1154103162. Its totient is φ = 1154103160.

The previous prime is 1154103151. The next prime is 1154103163. The reversal of 1154103161 is 1613014511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127683561 + 26419600 = 33581^2 + 5140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154103161 is a prime.

Together with 1154103163, 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 (1154103163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577051580 + 577051581.

It is an arithmetic number, because the mean of its divisors is an integer number (577051581).

Almost surely, 2^1154103161 is an apocalyptic number.

It is an amenable number.

1154103161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154103161 is an equidigital number, since it uses as much as digits as its factorization.

1154103161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1154103161 is about 33972.0938565759. The cubic root of 1154103161 is about 1048.9341144242.

Adding to 1154103161 its reverse (1613014511), we get a palindrome (2767117672).

The spelling of 1154103161 in words is "one billion, one hundred fifty-four million, one hundred three thousand, one hundred sixty-one".