116421075 has 72 divisors (see below), whose sum is σ = 222359280. Its totient is φ = 58060800.

The previous prime is 116421073. The next prime is 116421091. The reversal of 116421075 is 570124611.

It is a happy number.

116421075 is a `hidden beast` number, since 1 + 1 + 642 + 10 + 7 + 5 = 666.

It is not a de Polignac number, because 116421075 - 2¹ = 116421073 is a prime.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (116421073) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 482955 + ... + 483195.

Almost surely, 2^116421075 is an apocalyptic number.

116421075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116421075 is a deficient number, since it is larger than the sum of its proper divisors (105938205).

116421075 is a wasteful number, since it uses less digits than its factorization.

116421075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 116421075 is about 10789.8598230005. The cubic root of 116421075 is about 488.2892933864.

Adding to 116421075 its reverse (570124611), we get a palindrome (686545686).

The spelling of 116421075 in words is "one hundred sixteen million, four hundred twenty-one thousand, seventy-five".