121200706 has 16 divisors (see below), whose sum is σ = 198602208. Its totient is φ = 55015200.

The previous prime is 121200689. The next prime is 121200727. The reversal of 121200706 is 607002121.

It is a super-2 number, since 2×121200706² = 29379222269796872, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 14446 + ... + 21238.

It is an arithmetic number, because the mean of its divisors is an integer number (12412638).

Almost surely, 2^121200706 is an apocalyptic number.

121200706 is a deficient number, since it is larger than the sum of its proper divisors (77401502).

121200706 is a wasteful number, since it uses less digits than its factorization.

121200706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7617.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 121200706 is about 11009.1192199921. The cubic root of 121200706 is about 494.8820669292.

Adding to 121200706 its reverse (607002121), we get a palindrome (728202827).

The spelling of 121200706 in words is "one hundred twenty-one million, two hundred thousand, seven hundred six".