118957447 has 24 divisors (see below), whose sum is σ = 144986112. Its totient is φ = 97196400.

The previous prime is 118957417. The next prime is 118957453. The reversal of 118957447 is 744759811.

It is a happy number.

It is not a de Polignac number, because 118957447 - 2¹¹ = 118955399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118957397 and 118957406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118957417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107298 + ... + 108400.

It is an arithmetic number, because the mean of its divisors is an integer number (6041088).

Almost surely, 2^118957447 is an apocalyptic number.

118957447 is a deficient number, since it is larger than the sum of its proper divisors (26028665).

118957447 is a wasteful number, since it uses less digits than its factorization.

118957447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1212 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The square root of 118957447 is about 10906.7615266861. The cubic root of 118957447 is about 491.8098376630.

The spelling of 118957447 in words is "one hundred eighteen million, nine hundred fifty-seven thousand, four hundred forty-seven".