111402953 has 2 divisors, whose sum is σ = 111402954. Its totient is φ = 111402952.

The previous prime is 111402937. The next prime is 111402997. The reversal of 111402953 is 359204111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110607289 + 795664 = 10517^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 111402953 - 2⁴ = 111402937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111402913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55701476 + 55701477.

It is an arithmetic number, because the mean of its divisors is an integer number (55701477).

Almost surely, 2^111402953 is an apocalyptic number.

It is an amenable number.

111402953 is a deficient number, since it is larger than the sum of its proper divisors (1).

111402953 is an equidigital number, since it uses as much as digits as its factorization.

111402953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 111402953 is about 10554.7597319882. The cubic root of 111402953 is about 481.1703976283.

The spelling of 111402953 in words is "one hundred eleven million, four hundred two thousand, nine hundred fifty-three".