121029824 has 28 divisors (see below), whose sum is σ = 241450368. Its totient is φ = 60192000.

The previous prime is 121029809. The next prime is 121029833. The reversal of 121029824 is 428920121.

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, 7274 + ... + 17174.

Almost surely, 2^121029824 is an apocalyptic number.

It is an amenable number.

121029824 is a deficient number, since it is larger than the sum of its proper divisors (120420544).

121029824 is an equidigital number, since it uses as much as digits as its factorization.

121029824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104 (or 10094 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 121029824 is about 11001.3555528398. The cubic root of 121029824 is about 494.6493779320.

Adding to 121029824 its reverse (428920121), we get a palindrome (549949945).

The spelling of 121029824 in words is "one hundred twenty-one million, twenty-nine thousand, eight hundred twenty-four".