121425366 has 32 divisors (see below), whose sum is σ = 246032640. Its totient is φ = 39948896.

The previous prime is 121425347. The next prime is 121425377. The reversal of 121425366 is 663524121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179020 + ... + 179696.

It is an arithmetic number, because the mean of its divisors is an integer number (7688520).

Almost surely, 2^121425366 is an apocalyptic number.

121425366 is an abundant number, since it is smaller than the sum of its proper divisors (124607274).

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

121425366 is a wasteful number, since it uses less digits than its factorization.

121425366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028.

The product of its digits is 8640, while the sum is 30.

The square root of 121425366 is about 11019.3178554754. The cubic root of 121425366 is about 495.1876525543.

Adding to 121425366 its reverse (663524121), we get a palindrome (784949487).

The spelling of 121425366 in words is "one hundred twenty-one million, four hundred twenty-five thousand, three hundred sixty-six".