116421235 has 16 divisors (see below), whose sum is σ = 160062912. Its totient is φ = 79632000.

The previous prime is 116421233. The next prime is 116421241. The reversal of 116421235 is 532124611.

It is a happy number.

It is not a de Polignac number, because 116421235 - 2¹ = 116421233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116421233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10785 + ... + 18685.

It is an arithmetic number, because the mean of its divisors is an integer number (10003932).

Almost surely, 2^116421235 is an apocalyptic number.

116421235 is a deficient number, since it is larger than the sum of its proper divisors (43641677).

116421235 is an equidigital number, since it uses as much as digits as its factorization.

116421235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334.

The product of its digits is 1440, while the sum is 25.

The square root of 116421235 is about 10789.8672373667. The cubic root of 116421235 is about 488.2895170752.

Adding to 116421235 its reverse (532124611), we get a palindrome (648545846).

It can be divided in two parts, 11 and 6421235, that added together give a palindrome (6421246).

The spelling of 116421235 in words is "one hundred sixteen million, four hundred twenty-one thousand, two hundred thirty-five".