30909124 has 12 divisors (see below), whose sum is σ = 56938000. Its totient is φ = 14641128.

The previous prime is 30909119. The next prime is 30909161. The reversal of 30909124 is 42190903.

It is a happy number.

It is a super-3 number, since 3×30909124³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30909092 and 30909101.

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, 203274 + ... + 203425.

Almost surely, 2^30909124 is an apocalyptic number.

It is an amenable number.

30909124 is a deficient number, since it is larger than the sum of its proper divisors (26028876).

30909124 is a wasteful number, since it uses less digits than its factorization.

30909124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406722 (or 406720 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 30909124 is about 5559.5974674431. The cubic root of 30909124 is about 313.8308012396.

The spelling of 30909124 in words is "thirty million, nine hundred nine thousand, one hundred twenty-four".