121535414 has 64 divisors (see below), whose sum is σ = 259241472. Its totient is φ = 41126400.

The previous prime is 121535389. The next prime is 121535443. The reversal of 121535414 is 414535121.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 32249 + ... + 35819.

It is an arithmetic number, because the mean of its divisors is an integer number (4050648).

Almost surely, 2^121535414 is an apocalyptic number.

121535414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121535414 is an abundant number, since it is smaller than the sum of its proper divisors (137706058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121535414 is a wasteful number, since it uses less digits than its factorization.

121535414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621.

The product of its digits is 2400, while the sum is 26.

The square root of 121535414 is about 11024.3101371469. The cubic root of 121535414 is about 495.3372038331.

It can be divided in two parts, 121 and 535414, that added together give a palindrome (535535).

The spelling of 121535414 in words is "one hundred twenty-one million, five hundred thirty-five thousand, four hundred fourteen".