121415430 has 32 divisors (see below), whose sum is σ = 292368384. Its totient is φ = 32269536.

The previous prime is 121415423. The next prime is 121415443. The reversal of 121415430 is 34514121.

It is a junction number, because it is equal to n+sod(n) for n = 121415397 and 121415406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2619 + ... + 15801.

It is an arithmetic number, because the mean of its divisors is an integer number (9136512).

Almost surely, 2^121415430 is an apocalyptic number.

121415430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121415430 is an abundant number, since it is smaller than the sum of its proper divisors (170952954).

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

121415430 is a wasteful number, since it uses less digits than its factorization.

121415430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13500.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121415430 is about 11018.8670016477. The cubic root of 121415430 is about 495.1741454405.

Adding to 121415430 its reverse (34514121), we get a palindrome (155929551).

It can be divided in two parts, 12141 and 5430, that added together give a palindrome (17571).

The spelling of 121415430 in words is "one hundred twenty-one million, four hundred fifteen thousand, four hundred thirty".