121356706 has 16 divisors (see below), whose sum is σ = 188652600. Its totient is φ = 58480128.

The previous prime is 121356691. The next prime is 121356713. The reversal of 121356706 is 607653121.

It can be written as a sum of positive squares in 4 ways, for example, as 77598481 + 43758225 = 8809^2 + 6615^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37480 + ... + 40588.

Almost surely, 2^121356706 is an apocalyptic number.

121356706 is a deficient number, since it is larger than the sum of its proper divisors (67295894).

121356706 is a wasteful number, since it uses less digits than its factorization.

121356706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 121356706 is about 11016.2019770881. The cubic root of 121356706 is about 495.0943003010.

The spelling of 121356706 in words is "one hundred twenty-one million, three hundred fifty-six thousand, seven hundred six".