121416552 has 24 divisors (see below), whose sum is σ = 328836690. Its totient is φ = 40472160.

The previous prime is 121416551. The next prime is 121416569. The reversal of 121416552 is 255614121.

121416552 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 1 + 655 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85488516 + 35928036 = 9246^2 + 5994^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (121416551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 843099 + ... + 843242.

Almost surely, 2^121416552 is an apocalyptic number.

121416552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121416552 is an abundant number, since it is smaller than the sum of its proper divisors (207420138).

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

121416552 is a wasteful number, since it uses less digits than its factorization.

121416552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686353 (or 1686346 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 121416552 is about 11018.9179142056. The cubic root of 121416552 is about 495.1756707372.

It can be divided in two parts, 1214 and 16552, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 121416552 in words is "one hundred twenty-one million, four hundred sixteen thousand, five hundred fifty-two".