47121351 has 8 divisors (see below), whose sum is σ = 63713664. Its totient is φ = 30971640.

The previous prime is 47121337. The next prime is 47121377. The reversal of 47121351 is 15312174.

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

It is not a de Polignac number, because 47121351 - 2⁹ = 47120839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47121251) 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, 110401 + ... + 110826.

It is an arithmetic number, because the mean of its divisors is an integer number (7964208).

Almost surely, 2^47121351 is an apocalyptic number.

47121351 is a deficient number, since it is larger than the sum of its proper divisors (16592313).

47121351 is a wasteful number, since it uses less digits than its factorization.

47121351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221301.

The product of its digits is 840, while the sum is 24.

The square root of 47121351 is about 6864.4993262437. The cubic root of 47121351 is about 361.1929330401.

The spelling of 47121351 in words is "forty-seven million, one hundred twenty-one thousand, three hundred fifty-one".