110021453 has 2 divisors, whose sum is σ = 110021454. Its totient is φ = 110021452.

The previous prime is 110021423. The next prime is 110021459. The reversal of 110021453 is 354120011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109893289 + 128164 = 10483^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 110021453 - 2¹⁰ = 110020429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110021459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010726 + 55010727.

It is an arithmetic number, because the mean of its divisors is an integer number (55010727).

Almost surely, 2^110021453 is an apocalyptic number.

It is an amenable number.

110021453 is a deficient number, since it is larger than the sum of its proper divisors (1).

110021453 is an equidigital number, since it uses as much as digits as its factorization.

110021453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 110021453 is about 10489.1111634876. Note that the first 4 decimals coincide. The cubic root of 110021453 is about 479.1731322665.

Adding to 110021453 its reverse (354120011), we get a palindrome (464141464).

The spelling of 110021453 in words is "one hundred ten million, twenty-one thousand, four hundred fifty-three".