129077097 has 8 divisors (see below), whose sum is σ = 172155456. Its totient is φ = 86025072.

The previous prime is 129077093. The next prime is 129077111. The reversal of 129077097 is 790770921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129077097 - 2² = 129077093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129077093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14548 + ... + 21674.

It is an arithmetic number, because the mean of its divisors is an integer number (21519432).

Almost surely, 2^129077097 is an apocalyptic number.

It is an amenable number.

129077097 is a deficient number, since it is larger than the sum of its proper divisors (43078359).

129077097 is an equidigital number, since it uses as much as digits as its factorization.

129077097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13167.

The product of its (nonzero) digits is 55566, while the sum is 42.

The square root of 129077097 is about 11361.2101908203. The cubic root of 129077097 is about 505.3780745565.

It can be divided in two parts, 1290 and 77097, that added together give a palindrome (78387).

The spelling of 129077097 in words is "one hundred twenty-nine million, seventy-seven thousand, ninety-seven".