118547121 has 48 divisors (see below), whose sum is σ = 202245120. Its totient is φ = 61074720.

The previous prime is 118547081. The next prime is 118547141. The reversal of 118547121 is 121745811.

It is not a de Polignac number, because 118547121 - 2¹⁰ = 118546097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118547141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269820 + ... + 270258.

It is an arithmetic number, because the mean of its divisors is an integer number (4213440).

Almost surely, 2^118547121 is an apocalyptic number.

118547121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118547121 is a deficient number, since it is larger than the sum of its proper divisors (83697999).

118547121 is a wasteful number, since it uses less digits than its factorization.

118547121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 627 counting only the distinct ones).

The product of its digits is 2240, while the sum is 30.

The square root of 118547121 is about 10887.9346526327. The cubic root of 118547121 is about 491.2437113064.

The spelling of 118547121 in words is "one hundred eighteen million, five hundred forty-seven thousand, one hundred twenty-one".