121200753 has 8 divisors (see below), whose sum is σ = 170106400. Its totient is φ = 76547808.

The previous prime is 121200727. The next prime is 121200757. The reversal of 121200753 is 357002121.

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

It is not a de Polignac number, because 121200753 - 2⁶ = 121200689 is a prime.

It is a super-3 number, since 3×121200753³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121200757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063108 + ... + 1063221.

It is an arithmetic number, because the mean of its divisors is an integer number (21263300).

Almost surely, 2^121200753 is an apocalyptic number.

It is an amenable number.

121200753 is a deficient number, since it is larger than the sum of its proper divisors (48905647).

121200753 is a wasteful number, since it uses less digits than its factorization.

121200753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126351.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 121200753 is about 11009.1213545859. The cubic root of 121200753 is about 494.8821308987.

Adding to 121200753 its reverse (357002121), we get a palindrome (478202874).

The spelling of 121200753 in words is "one hundred twenty-one million, two hundred thousand, seven hundred fifty-three".