121710136 has 16 divisors (see below), whose sum is σ = 229215240. Its totient is φ = 60586080.

The previous prime is 121710133. The next prime is 121710139. The reversal of 121710136 is 631017121.

It is an interprime number because it is at equal distance from previous prime (121710133) and next prime (121710139).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121710133) by changing a digit.

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, 31695 + ... + 35326.

Almost surely, 2^121710136 is an apocalyptic number.

It is an amenable number.

121710136 is a deficient number, since it is larger than the sum of its proper divisors (107505104).

121710136 is a wasteful number, since it uses less digits than its factorization.

121710136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67254 (or 67250 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 121710136 is about 11032.2316871973. The cubic root of 121710136 is about 495.5744594158.

Adding to 121710136 its reverse (631017121), we get a palindrome (752727257).

The spelling of 121710136 in words is "one hundred twenty-one million, seven hundred ten thousand, one hundred thirty-six".