110745421 has 2 divisors, whose sum is σ = 110745422. Its totient is φ = 110745420.

The previous prime is 110745409. The next prime is 110745443. The reversal of 110745421 is 124547011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100280196 + 10465225 = 10014^2 + 3235^2 .

It is an emirp because it is prime and its reverse (124547011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110745421 - 2¹³ = 110737229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110745451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55372710 + 55372711.

It is an arithmetic number, because the mean of its divisors is an integer number (55372711).

Almost surely, 2^110745421 is an apocalyptic number.

It is an amenable number.

110745421 is a deficient number, since it is larger than the sum of its proper divisors (1).

110745421 is an equidigital number, since it uses as much as digits as its factorization.

110745421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 110745421 is about 10523.5650328204. The cubic root of 110745421 is about 480.2218606903.

The spelling of 110745421 in words is "one hundred ten million, seven hundred forty-five thousand, four hundred twenty-one".