121413426 has 16 divisors (see below), whose sum is σ = 242935200. Its totient is φ = 40453088.

The previous prime is 121413403. The next prime is 121413427. The reversal of 121413426 is 624314121.

It is a junction number, because it is equal to n+sod(n) for n = 121413396 and 121413405.

It is not an unprimeable number, because it can be changed into a prime (121413427) 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, 22390 + ... + 27278.

It is an arithmetic number, because the mean of its divisors is an integer number (15183450).

Almost surely, 2^121413426 is an apocalyptic number.

121413426 is an abundant number, since it is smaller than the sum of its proper divisors (121521774).

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

121413426 is a wasteful number, since it uses less digits than its factorization.

121413426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033.

The product of its digits is 1152, while the sum is 24.

The square root of 121413426 is about 11018.7760663333. The cubic root of 121413426 is about 495.1714210903.

Adding to 121413426 its reverse (624314121), we get a palindrome (745727547).

The spelling of 121413426 in words is "one hundred twenty-one million, four hundred thirteen thousand, four hundred twenty-six".