121200677 has 16 divisors (see below), whose sum is σ = 138203520. Its totient is φ = 105364800.

The previous prime is 121200671. The next prime is 121200679. The reversal of 121200677 is 776002121.

It is a cyclic number.

It is not a de Polignac number, because 121200677 - 2¹⁴ = 121184293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43352 + ... + 46062.

It is an arithmetic number, because the mean of its divisors is an integer number (8637720).

Almost surely, 2^121200677 is an apocalyptic number.

It is an amenable number.

121200677 is a deficient number, since it is larger than the sum of its proper divisors (17002843).

121200677 is a wasteful number, since it uses less digits than its factorization.

121200677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 121200677 is about 11009.1179029021. The cubic root of 121200677 is about 494.8820274586.

Adding to 121200677 its reverse (776002121), we get a palindrome (897202798).

The spelling of 121200677 in words is "one hundred twenty-one million, two hundred thousand, six hundred seventy-seven".