110721461 has 2 divisors, whose sum is σ = 110721462. Its totient is φ = 110721460.

The previous prime is 110721421. The next prime is 110721467. The reversal of 110721461 is 164127011.

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., 95433361 + 15288100 = 9769^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 110721461 - 2⁶ = 110721397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110721467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55360730 + 55360731.

It is an arithmetic number, because the mean of its divisors is an integer number (55360731).

Almost surely, 2^110721461 is an apocalyptic number.

It is an amenable number.

110721461 is a deficient number, since it is larger than the sum of its proper divisors (1).

110721461 is an equidigital number, since it uses as much as digits as its factorization.

110721461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 110721461 is about 10522.4265737519. The cubic root of 110721461 is about 480.1872258628.

Adding to 110721461 its reverse (164127011), we get a palindrome (274848472).

The spelling of 110721461 in words is "one hundred ten million, seven hundred twenty-one thousand, four hundred sixty-one".