121670101 has 8 divisors (see below), whose sum is σ = 139154624. Its totient is φ = 104211360.

The previous prime is 121670093. The next prime is 121670117. The reversal of 121670101 is 101076121.

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

It is a cyclic number.

It is not a de Polignac number, because 121670101 - 2³ = 121670093 is a prime.

It is a super-2 number, since 2×121670101² = 29607226954700402, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121670141) 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, 5041 + ... + 16393.

It is an arithmetic number, because the mean of its divisors is an integer number (17394328).

Almost surely, 2^121670101 is an apocalyptic number.

It is an amenable number.

121670101 is a deficient number, since it is larger than the sum of its proper divisors (17484523).

121670101 is a wasteful number, since it uses less digits than its factorization.

121670101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12891.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 121670101 is about 11030.4170818696. The cubic root of 121670101 is about 495.5201158200.

It can be divided in two parts, 121670 and 101, that added together give a triangular number (121771 = T₄₉₃).

The spelling of 121670101 in words is "one hundred twenty-one million, six hundred seventy thousand, one hundred one".