118029021 has 8 divisors (see below), whose sum is σ = 171678624. Its totient is φ = 71532720.

The previous prime is 118028993. The next prime is 118029061. The reversal of 118029021 is 120920811.

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

It is not a de Polignac number, because 118029021 - 2¹⁰ = 118027997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118028982 and 118029000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118029061) 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, 1788286 + ... + 1788351.

It is an arithmetic number, because the mean of its divisors is an integer number (21459828).

Almost surely, 2^118029021 is an apocalyptic number.

118029021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118029021 is a deficient number, since it is larger than the sum of its proper divisors (53649603).

118029021 is a wasteful number, since it uses less digits than its factorization.

118029021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576651.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 118029021 is about 10864.1162088777. The cubic root of 118029021 is about 490.5270200762.

Adding to 118029021 its reverse (120920811), we get a palindrome (238949832).

The spelling of 118029021 in words is "one hundred eighteen million, twenty-nine thousand, twenty-one".