121408335 has 16 divisors (see below), whose sum is σ = 215837280. Its totient is φ = 64751040.

The previous prime is 121408303. The next prime is 121408337. The reversal of 121408335 is 533804121.

It is a happy number.

It is not a de Polignac number, because 121408335 - 2⁵ = 121408303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 121408299 and 121408308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121408337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449526 + ... + 449795.

It is an arithmetic number, because the mean of its divisors is an integer number (13489830).

Almost surely, 2^121408335 is an apocalyptic number.

121408335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121408335 is a deficient number, since it is larger than the sum of its proper divisors (94428945).

121408335 is an equidigital number, since it uses as much as digits as its factorization.

121408335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899335 (or 899329 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 121408335 is about 11018.5450491433. The cubic root of 121408335 is about 495.1644999641.

The spelling of 121408335 in words is "one hundred twenty-one million, four hundred eight thousand, three hundred thirty-five".