30291124 has 12 divisors (see below), whose sum is σ = 54137664. Its totient is φ = 14823224.

The previous prime is 30291113. The next prime is 30291137. The reversal of 30291124 is 42119203.

It is a junction number, because it is equal to n+sod(n) for n = 30291095 and 30291104.

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 3 ways as a sum of consecutive naturals, for example, 80374 + ... + 80749.

It is an arithmetic number, because the mean of its divisors is an integer number (4511472).

Almost surely, 2^30291124 is an apocalyptic number.

It is an amenable number.

30291124 is a deficient number, since it is larger than the sum of its proper divisors (23846540).

30291124 is a wasteful number, since it uses less digits than its factorization.

30291124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161174 (or 161172 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 30291124 is about 5503.7372757064. The cubic root of 30291124 is about 311.7251167539.

The spelling of 30291124 in words is "thirty million, two hundred ninety-one thousand, one hundred twenty-four".