121606354 has 8 divisors (see below), whose sum is σ = 182470860. Its totient is φ = 60782736.

The previous prime is 121606349. The next prime is 121606357. The reversal of 121606354 is 453606121.

It can be written as a sum of positive squares in 2 ways, for example, as 70812225 + 50794129 = 8415^2 + 7127^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121606357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189 + ... + 15640.

Almost surely, 2^121606354 is an apocalyptic number.

121606354 is a deficient number, since it is larger than the sum of its proper divisors (60864506).

121606354 is a wasteful number, since it uses less digits than its factorization.

121606354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20444.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 121606354 is about 11027.5271026645. The cubic root of 121606354 is about 495.4335608959.

The spelling of 121606354 in words is "one hundred twenty-one million, six hundred six thousand, three hundred fifty-four".