121654101 has 8 divisors (see below), whose sum is σ = 167798880. Its totient is φ = 78306032.

The previous prime is 121654097. The next prime is 121654109. The reversal of 121654101 is 101456121.

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

It is not a de Polignac number, because 121654101 - 2² = 121654097 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121654109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699075 + ... + 699248.

It is an arithmetic number, because the mean of its divisors is an integer number (20974860).

Almost surely, 2^121654101 is an apocalyptic number.

It is an amenable number.

121654101 is a deficient number, since it is larger than the sum of its proper divisors (46144779).

121654101 is a wasteful number, since it uses less digits than its factorization.

121654101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398355.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 121654101 is about 11029.6917907981. The cubic root of 121654101 is about 495.4983940512.

The spelling of 121654101 in words is "one hundred twenty-one million, six hundred fifty-four thousand, one hundred one".