121470135 has 16 divisors (see below), whose sum is σ = 204581760. Its totient is φ = 61374240.

The previous prime is 121470133. The next prime is 121470161. The reversal of 121470135 is 531074121.

It is not a de Polignac number, because 121470135 - 2¹ = 121470133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121470131) 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 15 ways as a sum of consecutive naturals, for example, 212821 + ... + 213390.

It is an arithmetic number, because the mean of its divisors is an integer number (12786360).

Almost surely, 2^121470135 is an apocalyptic number.

121470135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121470135 is a deficient number, since it is larger than the sum of its proper divisors (83111625).

121470135 is a wasteful number, since it uses less digits than its factorization.

121470135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426238.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 121470135 is about 11021.3490553562. The cubic root of 121470135 is about 495.2485029152.

The spelling of 121470135 in words is "one hundred twenty-one million, four hundred seventy thousand, one hundred thirty-five".