30121486 has 8 divisors (see below), whose sum is σ = 45213624. Its totient is φ = 15050280.

The previous prime is 30121453. The next prime is 30121493. The reversal of 30121486 is 68412103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30121486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925 + ... + 7816.

It is an arithmetic number, because the mean of its divisors is an integer number (5651703).

Almost surely, 2^30121486 is an apocalyptic number.

30121486 is a deficient number, since it is larger than the sum of its proper divisors (15092138).

30121486 is a wasteful number, since it uses less digits than its factorization.

30121486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 30121486 is about 5488.3044740612. The cubic root of 30121486 is about 311.1421137566.

Adding to 30121486 its reverse (68412103), we get a palindrome (98533589).

The spelling of 30121486 in words is "thirty million, one hundred twenty-one thousand, four hundred eighty-six".