121120452 has 18 divisors (see below), whose sum is σ = 306165678. Its totient is φ = 40373472.

The previous prime is 121120429. The next prime is 121120463. The reversal of 121120452 is 254021121.

121120452 is a `hidden beast` number, since 1 + 211 + 2 + 0 + 452 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119115396 + 2005056 = 10914^2 + 1416^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1682193 + ... + 1682264.

Almost surely, 2^121120452 is an apocalyptic number.

121120452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121120452 is an abundant number, since it is smaller than the sum of its proper divisors (185045226).

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

121120452 is a wasteful number, since it uses less digits than its factorization.

121120452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364467 (or 3364462 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121120452 is about 11005.4737290132. The cubic root of 121120452 is about 494.7728127945.

Adding to 121120452 its reverse (254021121), we get a palindrome (375141573).

The spelling of 121120452 in words is "one hundred twenty-one million, one hundred twenty thousand, four hundred fifty-two".