129572007 has 8 divisors (see below), whose sum is σ = 175129584. Its totient is φ = 85197888.

The previous prime is 129571993. The next prime is 129572021. The reversal of 129572007 is 700275921.

It is an interprime number because it is at equal distance from previous prime (129571993) and next prime (129572021).

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

It is not a de Polignac number, because 129572007 - 2⁸ = 129571751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129572057) 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, 295608 + ... + 296045.

It is an arithmetic number, because the mean of its divisors is an integer number (21891198).

Almost surely, 2^129572007 is an apocalyptic number.

129572007 is a deficient number, since it is larger than the sum of its proper divisors (45557577).

129572007 is an equidigital number, since it uses as much as digits as its factorization.

129572007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591729.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 129572007 is about 11382.9700430072. The cubic root of 129572007 is about 506.0231610472.

The spelling of 129572007 in words is "one hundred twenty-nine million, five hundred seventy-two thousand, seven".