121200770 has 8 divisors (see below), whose sum is σ = 218161404. Its totient is φ = 48480304.

The previous prime is 121200767. The next prime is 121200787. The reversal of 121200770 is 77002121.

It can be written as a sum of positive squares in 2 ways, for example, as 98227921 + 22972849 = 9911^2 + 4793^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060029 + ... + 6060048.

Almost surely, 2^121200770 is an apocalyptic number.

121200770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121200770 is a deficient number, since it is larger than the sum of its proper divisors (96960634).

121200770 is a wasteful number, since it uses less digits than its factorization.

121200770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120084.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 121200770 is about 11009.1221266730. The cubic root of 121200770 is about 494.8821540366.

Adding to 121200770 its reverse (77002121), we get a palindrome (198202891).

The spelling of 121200770 in words is "one hundred twenty-one million, two hundred thousand, seven hundred seventy".