121354135 has 12 divisors (see below), whose sum is σ = 169400808. Its totient is φ = 83214096.

The previous prime is 121354133. The next prime is 121354139. The reversal of 121354135 is 531453121.

It is a happy number.

It is not a de Polignac number, because 121354135 - 2¹ = 121354133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121354133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247417 + ... + 247906.

It is an arithmetic number, because the mean of its divisors is an integer number (14116734).

Almost surely, 2^121354135 is an apocalyptic number.

121354135 is a deficient number, since it is larger than the sum of its proper divisors (48046673).

121354135 is an equidigital number, since it uses as much as digits as its factorization.

121354135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495342 (or 495335 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 121354135 is about 11016.0852847098. The cubic root of 121354135 is about 495.0908040062.

The spelling of 121354135 in words is "one hundred twenty-one million, three hundred fifty-four thousand, one hundred thirty-five".