121006653325 has 6 divisors (see below), whose sum is σ = 150048250154. Its totient is φ = 96805322640.

The previous prime is 121006653311. The next prime is 121006653329. The reversal of 121006653325 is 523356600121.

It can be written as a sum of positive squares in 3 ways, for example, as 160731684 + 120845921641 = 12678^2 + 347629^2 .

It is not a de Polignac number, because 121006653325 - 2¹⁷ = 121006522253 is a prime.

It is a super-2 number, since 2×121006653325² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121006653329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2420133042 + ... + 2420133091.

Almost surely, 2^121006653325 is an apocalyptic number.

It is an amenable number.

121006653325 is a deficient number, since it is larger than the sum of its proper divisors (29041596829).

121006653325 is an equidigital number, since it uses as much as digits as its factorization.

121006653325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840266143 (or 4840266138 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 121006653325 in words is "one hundred twenty-one billion, six million, six hundred fifty-three thousand, three hundred twenty-five".