30700124 has 96 divisors (see below), whose sum is σ = 73006080. Its totient is φ = 10948608.

The previous prime is 30700099. The next prime is 30700139. The reversal of 30700124 is 42100703.

It is a happy number.

It is a super-2 number, since 2×30700124² = 1884995227230752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158972 + ... + 159164.

It is an arithmetic number, because the mean of its divisors is an integer number (760480).

Almost surely, 2^30700124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30700124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36503040).

30700124 is an abundant number, since it is smaller than the sum of its proper divisors (42305956).

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

30700124 is a wasteful number, since it uses less digits than its factorization.

30700124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 30700124 is about 5540.7692606713. The cubic root of 30700124 is about 313.1218516608.

Adding to 30700124 its reverse (42100703), we get a palindrome (72800827).

The spelling of 30700124 in words is "thirty million, seven hundred thousand, one hundred twenty-four".