121342002125 has 32 divisors (see below), whose sum is σ = 152289577440. Its totient is φ = 96526848000.

The previous prime is 121342002113. The next prime is 121342002137. The reversal of 121342002125 is 521200243121.

It is an interprime number because it is at equal distance from previous prime (121342002113) and next prime (121342002137).

It can be written as a sum of positive squares in 16 ways, for example, as 120494377129 + 847624996 = 347123^2 + 29114^2 .

It is not a de Polignac number, because 121342002125 - 2²⁰ = 121340953549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121342002125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25656761 + ... + 25661489.

It is an arithmetic number, because the mean of its divisors is an integer number (4759049295).

Almost surely, 2^121342002125 is an apocalyptic number.

It is an amenable number.

121342002125 is a deficient number, since it is larger than the sum of its proper divisors (30947575315).

121342002125 is an equidigital number, since it uses as much as digits as its factorization.

121342002125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858 (or 5848 counting only the distinct ones).

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

Adding to 121342002125 its reverse (521200243121), we get a palindrome (642542245246).

The spelling of 121342002125 in words is "one hundred twenty-one billion, three hundred forty-two million, two thousand, one hundred twenty-five".