47197129 has 8 divisors (see below), whose sum is σ = 54176960. Its totient is φ = 40276656.

The previous prime is 47197099. The next prime is 47197141. The reversal of 47197129 is 92179174.

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

It is not a de Polignac number, because 47197129 - 2⁷ = 47197001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47197091 and 47197100.

It is not an unprimeable number, because it can be changed into a prime (47197169) 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, 13119 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (6772120).

Almost surely, 2^47197129 is an apocalyptic number.

It is an amenable number.

47197129 is a deficient number, since it is larger than the sum of its proper divisors (6979831).

47197129 is a wasteful number, since it uses less digits than its factorization.

47197129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29679.

The product of its digits is 31752, while the sum is 40.

The square root of 47197129 is about 6870.0166666464. The cubic root of 47197129 is about 361.3864463038.

The spelling of 47197129 in words is "forty-seven million, one hundred ninety-seven thousand, one hundred twenty-nine".