121663095 has 8 divisors (see below), whose sum is σ = 194660976. Its totient is φ = 64886976.

The previous prime is 121663093. The next prime is 121663103. The reversal of 121663095 is 590366121.

It is a happy number.

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

It is not a de Polignac number, because 121663095 - 2¹ = 121663093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121663093) 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, 4055422 + ... + 4055451.

It is an arithmetic number, because the mean of its divisors is an integer number (24332622).

Almost surely, 2^121663095 is an apocalyptic number.

121663095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121663095 is a deficient number, since it is larger than the sum of its proper divisors (72997881).

121663095 is an equidigital number, since it uses as much as digits as its factorization.

121663095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8110881.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 121663095 is about 11030.0995009111. The cubic root of 121663095 is about 495.5106046349.

The spelling of 121663095 in words is "one hundred twenty-one million, six hundred sixty-three thousand, ninety-five".