1154454101 has 2 divisors, whose sum is σ = 1154454102. Its totient is φ = 1154454100.

The previous prime is 1154454073. The next prime is 1154454149. The reversal of 1154454101 is 1014544511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625500100 + 528954001 = 25010^2 + 22999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154454101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154454181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577227050 + 577227051.

It is an arithmetic number, because the mean of its divisors is an integer number (577227051).

Almost surely, 2^1154454101 is an apocalyptic number.

It is an amenable number.

1154454101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154454101 is an equidigital number, since it uses as much as digits as its factorization.

1154454101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1154454101 is about 33977.2585857070. The cubic root of 1154454101 is about 1049.0404237054.

Adding to 1154454101 its reverse (1014544511), we get a palindrome (2168998612).

The spelling of 1154454101 in words is "one billion, one hundred fifty-four million, four hundred fifty-four thousand, one hundred one".