110749021 has 2 divisors, whose sum is σ = 110749022. Its totient is φ = 110749020.

The previous prime is 110749007. The next prime is 110749027. The reversal of 110749021 is 120947011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60140025 + 50608996 = 7755^2 + 7114^2 .

It is a cyclic number.

It is not a de Polignac number, because 110749021 - 2¹³ = 110740829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110749027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55374510 + 55374511.

It is an arithmetic number, because the mean of its divisors is an integer number (55374511).

Almost surely, 2^110749021 is an apocalyptic number.

It is an amenable number.

110749021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110749021 is an equidigital number, since it uses as much as digits as its factorization.

110749021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 110749021 is about 10523.7360761281. The cubic root of 110749021 is about 480.2270641559.

The spelling of 110749021 in words is "one hundred ten million, seven hundred forty-nine thousand, twenty-one".