116975021 has 2 divisors, whose sum is σ = 116975022. Its totient is φ = 116975020.

The previous prime is 116975017. The next prime is 116975041. The reversal of 116975021 is 120579611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79459396 + 37515625 = 8914^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 116975021 - 2² = 116975017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116975041) 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, 58487510 + 58487511.

It is an arithmetic number, because the mean of its divisors is an integer number (58487511).

Almost surely, 2^116975021 is an apocalyptic number.

It is an amenable number.

116975021 is a deficient number, since it is larger than the sum of its proper divisors (1).

116975021 is an equidigital number, since it uses as much as digits as its factorization.

116975021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 116975021 is about 10815.4991100735. The cubic root of 116975021 is about 489.0625154440.

The spelling of 116975021 in words is "one hundred sixteen million, nine hundred seventy-five thousand, twenty-one".