121341525253 has 16 divisors (see below), whose sum is σ = 131520049920. Its totient is φ = 111285936576.

The previous prime is 121341525251. The next prime is 121341525289. The reversal of 121341525253 is 352525143121.

It is a cyclic number.

It is not a de Polignac number, because 121341525253 - 2¹ = 121341525251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121341525251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236126 + ... + 1330672.

It is an arithmetic number, because the mean of its divisors is an integer number (8220003120).

Almost surely, 2^121341525253 is an apocalyptic number.

121341525253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121341525253 is a deficient number, since it is larger than the sum of its proper divisors (10178524667).

121341525253 is a wasteful number, since it uses less digits than its factorization.

121341525253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95196.

The product of its digits is 36000, while the sum is 34.

Adding to 121341525253 its reverse (352525143121), we get a palindrome (473866668374).

The spelling of 121341525253 in words is "one hundred twenty-one billion, three hundred forty-one million, five hundred twenty-five thousand, two hundred fifty-three".