121425245 has 8 divisors (see below), whose sum is σ = 148180320. Its totient is φ = 95493520.

The previous prime is 121425217. The next prime is 121425277. The reversal of 121425245 is 542524121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121425245 - 2¹⁶ = 121359709 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 205511 + ... + 206100.

It is an arithmetic number, because the mean of its divisors is an integer number (18522540).

Almost surely, 2^121425245 is an apocalyptic number.

It is an amenable number.

121425245 is a deficient number, since it is larger than the sum of its proper divisors (26755075).

121425245 is an equidigital number, since it uses as much as digits as its factorization.

121425245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411675.

The product of its digits is 3200, while the sum is 26.

The square root of 121425245 is about 11019.3123651161. The cubic root of 121425245 is about 495.1874880700.

Adding to 121425245 its reverse (542524121), we get a palindrome (663949366).

The spelling of 121425245 in words is "one hundred twenty-one million, four hundred twenty-five thousand, two hundred forty-five".