47122571 has 8 divisors (see below), whose sum is σ = 49578144. Its totient is φ = 44729280.

The previous prime is 47122567. The next prime is 47122601. The reversal of 47122571 is 17522174.

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

It is a cyclic number.

It is not a de Polignac number, because 47122571 - 2² = 47122567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47122501) 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, 14015 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (6197268).

Almost surely, 2^47122571 is an apocalyptic number.

47122571 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

47122571 is a deficient number, since it is larger than the sum of its proper divisors (2455573).

47122571 is a wasteful number, since it uses less digits than its factorization.

47122571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31141.

The product of its digits is 3920, while the sum is 29.

The square root of 47122571 is about 6864.5881886680. The cubic root of 47122571 is about 361.1960501803.

The spelling of 47122571 in words is "forty-seven million, one hundred twenty-two thousand, five hundred seventy-one".