121430026 has 16 divisors (see below), whose sum is σ = 193435200. Its totient is φ = 57008448.

The previous prime is 121430021. The next prime is 121430027. The reversal of 121430026 is 620034121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 121429985 and 121430012.

It is not an unprimeable number, because it can be changed into a prime (121430021) 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, 9846 + ... + 18433.

It is an arithmetic number, because the mean of its divisors is an integer number (12089700).

Almost surely, 2^121430026 is an apocalyptic number.

121430026 is a deficient number, since it is larger than the sum of its proper divisors (72005174).

121430026 is a wasteful number, since it uses less digits than its factorization.

121430026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28413.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 121430026 is about 11019.5293002923. The cubic root of 121430026 is about 495.1939871586.

Adding to 121430026 its reverse (620034121), we get a palindrome (741464147).

The spelling of 121430026 in words is "one hundred twenty-one million, four hundred thirty thousand, twenty-six".