47115120 has 80 divisors (see below), whose sum is σ = 157302432. Its totient is φ = 11596800.

The previous prime is 47115091. The next prime is 47115121. The reversal of 47115120 is 2151174.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×47115120² = 4439669065228800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47115121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4431 + ... + 10670.

Almost surely, 2^47115120 is an apocalyptic number.

47115120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47115120 is an abundant number, since it is smaller than the sum of its proper divisors (110187312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47115120 is a wasteful number, since it uses less digits than its factorization.

47115120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130 (or 15124 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 47115120 is about 6864.0454543950. The cubic root of 47115120 is about 361.1770117904.

Adding to 47115120 its reverse (2151174), we get a palindrome (49266294).

The spelling of 47115120 in words is "forty-seven million, one hundred fifteen thousand, one hundred twenty".