121425134 has 8 divisors (see below), whose sum is σ = 184632960. Its totient is φ = 59880816.

The previous prime is 121425131. The next prime is 121425151. The reversal of 121425134 is 431524121.

121425134 = 6361² + 6362² + 6363².

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121425131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 415694 + ... + 415985.

It is an arithmetic number, because the mean of its divisors is an integer number (23079120).

Almost surely, 2^121425134 is an apocalyptic number.

121425134 is a deficient number, since it is larger than the sum of its proper divisors (63207826).

121425134 is an equidigital number, since it uses as much as digits as its factorization.

121425134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831754.

The product of its digits is 960, while the sum is 23.

The square root of 121425134 is about 11019.3073285030. The cubic root of 121425134 is about 495.1873371792.

Adding to 121425134 its reverse (431524121), we get a palindrome (552949255).

The spelling of 121425134 in words is "one hundred twenty-one million, four hundred twenty-five thousand, one hundred thirty-four".