111705401 has 2 divisors, whose sum is σ = 111705402. Its totient is φ = 111705400.

The previous prime is 111705379. The next prime is 111705409. The reversal of 111705401 is 104507111.

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., 72267001 + 39438400 = 8501^2 + 6280^2 .

It is a cyclic number.

It is not a de Polignac number, because 111705401 - 2⁶ = 111705337 is a prime.

It is a super-2 number, since 2×111705401² = 24956193225141602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111705409) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55852700 + 55852701.

It is an arithmetic number, because the mean of its divisors is an integer number (55852701).

Almost surely, 2^111705401 is an apocalyptic number.

It is an amenable number.

111705401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111705401 is an equidigital number, since it uses as much as digits as its factorization.

111705401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 111705401 is about 10569.0775851065. The cubic root of 111705401 is about 481.6054475075.

The spelling of 111705401 in words is "one hundred eleven million, seven hundred five thousand, four hundred one".