116445021 has 96 divisors (see below), whose sum is σ = 214327296. Its totient is φ = 55440000.

The previous prime is 116445013. The next prime is 116445023. The reversal of 116445021 is 120544611.

It is a happy number.

It is not a de Polignac number, because 116445021 - 2³ = 116445013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116444982 and 116445000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116445023) 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 in 95 ways as a sum of consecutive naturals, for example, 1152871 + ... + 1152971.

It is an arithmetic number, because the mean of its divisors is an integer number (2232576).

Almost surely, 2^116445021 is an apocalyptic number.

116445021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116445021 is a deficient number, since it is larger than the sum of its proper divisors (97882275).

116445021 is a wasteful number, since it uses less digits than its factorization.

116445021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 116445021 is about 10790.9694189169. The cubic root of 116445021 is about 488.3227689230.

Adding to 116445021 its reverse (120544611), we get a palindrome (236989632).

The spelling of 116445021 in words is "one hundred sixteen million, four hundred forty-five thousand, twenty-one".