121849895 has 8 divisors (see below), whose sum is σ = 146738256. Its totient is φ = 97134336.

The previous prime is 121849873. The next prime is 121849919. The reversal of 121849895 is 598948121.

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 121849895 - 2¹⁴ = 121833511 is a prime.

It is a super-2 number, since 2×121849895² = 29694793823022050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 41642 + ... + 44471.

It is an arithmetic number, because the mean of its divisors is an integer number (18342282).

Almost surely, 2^121849895 is an apocalyptic number.

121849895 is a deficient number, since it is larger than the sum of its proper divisors (24888361).

121849895 is an equidigital number, since it uses as much as digits as its factorization.

121849895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86401.

The product of its digits is 207360, while the sum is 47.

The square root of 121849895 is about 11038.5639917518. The cubic root of 121849895 is about 495.7640752232.

The spelling of 121849895 in words is "one hundred twenty-one million, eight hundred forty-nine thousand, eight hundred ninety-five".