121414520 has 32 divisors (see below), whose sum is σ = 278341920. Its totient is φ = 47648640.

The previous prime is 121414483. The next prime is 121414523. The reversal of 121414520 is 25414121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 121414492 and 121414501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121414523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26516 + ... + 30755.

It is an arithmetic number, because the mean of its divisors is an integer number (8698185).

Almost surely, 2^121414520 is an apocalyptic number.

121414520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121414520 is an abundant number, since it is smaller than the sum of its proper divisors (156927400).

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

121414520 is a wasteful number, since it uses less digits than its factorization.

121414520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57335 (or 57331 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 121414520 is about 11018.8257087586. The cubic root of 121414520 is about 495.1729083391.

Adding to 121414520 its reverse (25414121), we get a palindrome (146828641).

It can be divided in two parts, 12141 and 4520, that added together give a palindrome (16661).

The spelling of 121414520 in words is "one hundred twenty-one million, four hundred fourteen thousand, five hundred twenty".