121325120135 has 8 divisors (see below), whose sum is σ = 146194254096. Its totient is φ = 96657356160.

The previous prime is 121325120101. The next prime is 121325120159. The reversal of 121325120135 is 531021523121.

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

It is not a de Polignac number, because 121325120135 - 2⁸ = 121325119879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50341169 + ... + 50343578.

It is an arithmetic number, because the mean of its divisors is an integer number (18274281762).

Almost surely, 2^121325120135 is an apocalyptic number.

121325120135 is a deficient number, since it is larger than the sum of its proper divisors (24869133961).

121325120135 is a wasteful number, since it uses less digits than its factorization.

121325120135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100684993.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 121325120135 its reverse (531021523121), we get a palindrome (652346643256).

The spelling of 121325120135 in words is "one hundred twenty-one billion, three hundred twenty-five million, one hundred twenty thousand, one hundred thirty-five".