116421079 has 4 divisors (see below), whose sum is σ = 116885160. Its totient is φ = 115957000.

The previous prime is 116421073. The next prime is 116421091. The reversal of 116421079 is 970124611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116421079 - 2⁷ = 116420951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116421079.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 231664 + ... + 232165.

It is an arithmetic number, because the mean of its divisors is an integer number (29221290).

Almost surely, 2^116421079 is an apocalyptic number.

116421079 is a deficient number, since it is larger than the sum of its proper divisors (464081).

116421079 is an equidigital number, since it uses as much as digits as its factorization.

116421079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464080.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 116421079 is about 10789.8600083597. The cubic root of 116421079 is about 488.2892989787.

It can be divided in two parts, 11642 and 1079, that added together give a palindrome (12721).

The spelling of 116421079 in words is "one hundred sixteen million, four hundred twenty-one thousand, seventy-nine".