129797059 has 4 divisors (see below), whose sum is σ = 148339504. Its totient is φ = 111254616.

The previous prime is 129797047. The next prime is 129797071. The reversal of 129797059 is 950797921.

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

It is an interprime number because it is at equal distance from previous prime (129797047) and next prime (129797071).

It is a cyclic number.

It is not a de Polignac number, because 129797059 - 2¹⁹ = 129272771 is a prime.

It is a super-3 number, since 3×129797059³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129797009) 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, 9271212 + ... + 9271225.

It is an arithmetic number, because the mean of its divisors is an integer number (37084876).

Almost surely, 2^129797059 is an apocalyptic number.

129797059 is a deficient number, since it is larger than the sum of its proper divisors (18542445).

129797059 is an equidigital number, since it uses as much as digits as its factorization.

129797059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18542444.

The product of its (nonzero) digits is 357210, while the sum is 49.

The square root of 129797059 is about 11392.8512234647. The cubic root of 129797059 is about 506.3159600283.

The spelling of 129797059 in words is "one hundred twenty-nine million, seven hundred ninety-seven thousand, fifty-nine".