121434285 has 32 divisors (see below), whose sum is σ = 229220352. Its totient is φ = 53720640.

The previous prime is 121434233. The next prime is 121434317. The reversal of 121434285 is 582434121.

It is not a de Polignac number, because 121434285 - 2⁶ = 121434221 is a prime.

It is a super-2 number, since 2×121434285² = 29492571146922450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15399 + ... + 21908.

It is an arithmetic number, because the mean of its divisors is an integer number (7163136).

Almost surely, 2^121434285 is an apocalyptic number.

121434285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121434285 is a deficient number, since it is larger than the sum of its proper divisors (107786067).

121434285 is a wasteful number, since it uses less digits than its factorization.

121434285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37353.

The product of its digits is 7680, while the sum is 30.

The square root of 121434285 is about 11019.7225464165. The cubic root of 121434285 is about 495.1997765190.

The spelling of 121434285 in words is "one hundred twenty-one million, four hundred thirty-four thousand, two hundred eighty-five".