121263195 has 8 divisors (see below), whose sum is σ = 194021136. Its totient is φ = 64673696.

The previous prime is 121263151. The next prime is 121263211. The reversal of 121263195 is 591362121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121263195 is a prime.

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, 4042092 + ... + 4042121.

It is an arithmetic number, because the mean of its divisors is an integer number (24252642).

Almost surely, 2^121263195 is an apocalyptic number.

121263195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121263195 is a deficient number, since it is larger than the sum of its proper divisors (72757941).

121263195 is an equidigital number, since it uses as much as digits as its factorization.

121263195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8084221.

The product of its digits is 3240, while the sum is 30.

The square root of 121263195 is about 11011.9569105586. The cubic root of 121263195 is about 494.9671032112.

The spelling of 121263195 in words is "one hundred twenty-one million, two hundred sixty-three thousand, one hundred ninety-five".