121411506 has 8 divisors (see below), whose sum is σ = 242823024. Its totient is φ = 40470500.

The previous prime is 121411471. The next prime is 121411517. The reversal of 121411506 is 605114121.

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

121411506 is an admirable 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, 10117620 + ... + 10117631.

It is an arithmetic number, because the mean of its divisors is an integer number (30352878).

Almost surely, 2^121411506 is an apocalyptic number.

121411506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121411506 is a wasteful number, since it uses less digits than its factorization.

121411506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235256.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 121411506 is about 11018.6889419749. The cubic root of 121411506 is about 495.1688109063.

Adding to 121411506 its reverse (605114121), we get a palindrome (726525627).

It can be divided in two parts, 1214 and 11506, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 121411506 in words is "one hundred twenty-one million, four hundred eleven thousand, five hundred six".