116129447 has 16 divisors (see below), whose sum is σ = 134999040. Its totient is φ = 97841952.

The previous prime is 116129423. The next prime is 116129459. The reversal of 116129447 is 744921611.

It is a cyclic number.

It is not a de Polignac number, because 116129447 - 2¹⁸ = 115867303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116129407) 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, 205988 + ... + 206550.

It is an arithmetic number, because the mean of its divisors is an integer number (8437440).

Almost surely, 2^116129447 is an apocalyptic number.

116129447 is a deficient number, since it is larger than the sum of its proper divisors (18869593).

116129447 is an equidigital number, since it uses as much as digits as its factorization.

116129447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its digits is 12096, while the sum is 35.

The square root of 116129447 is about 10776.3373648007. The cubic root of 116129447 is about 487.8812404171.

The spelling of 116129447 in words is "one hundred sixteen million, one hundred twenty-nine thousand, four hundred forty-seven".