1105121471 has 2 divisors, whose sum is σ = 1105121472. Its totient is φ = 1105121470.

The previous prime is 1105121467. The next prime is 1105121519. The reversal of 1105121471 is 1741215011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105121471 - 2² = 1105121467 is a prime.

It is a super-3 number, since 3×1105121471³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105121071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552560735 + 552560736.

It is an arithmetic number, because the mean of its divisors is an integer number (552560736).

Almost surely, 2^1105121471 is an apocalyptic number.

1105121471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105121471 is an equidigital number, since it uses as much as digits as its factorization.

1105121471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 1105121471 is about 33243.3673234226. The cubic root of 1105121471 is about 1033.8796939221.

Adding to 1105121471 its reverse (1741215011), we get a palindrome (2846336482).

The spelling of 1105121471 in words is "one billion, one hundred five million, one hundred twenty-one thousand, four hundred seventy-one".