118005030 has 192 divisors, whose sum is σ = 369375552. Its totient is φ = 25758720.

The previous prime is 118004989. The next prime is 118005071. The reversal of 118005030 is 30500811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (118004989) and next prime (118005071).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 118004994 and 118005012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 682024 + ... + 682196.

It is an arithmetic number, because the mean of its divisors is an integer number (1923831).

Almost surely, 2^118005030 is an apocalyptic number.

118005030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118005030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184687776).

118005030 is an abundant number, since it is smaller than the sum of its proper divisors (251370522).

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

118005030 is a wasteful number, since it uses less digits than its factorization.

118005030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 118005030 is about 10863.0120132494. The cubic root of 118005030 is about 490.4937823999.

Adding to 118005030 its reverse (30500811), we get a palindrome (148505841).

The spelling of 118005030 in words is "one hundred eighteen million, five thousand, thirty".