121065061 has 4 divisors (see below), whose sum is σ = 130377772. Its totient is φ = 111752352.

The previous prime is 121065059. The next prime is 121065071. The reversal of 121065061 is 160560121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160560121 = 17 ⋅9444713.

It can be written as a sum of positive squares in 2 ways, for example, as 81450625 + 39614436 = 9025^2 + 6294^2 .

It is a cyclic number.

It is not a de Polignac number, because 121065061 - 2¹ = 121065059 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 (121065001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4656336 + ... + 4656361.

It is an arithmetic number, because the mean of its divisors is an integer number (32594443).

Almost surely, 2^121065061 is an apocalyptic number.

It is an amenable number.

121065061 is a deficient number, since it is larger than the sum of its proper divisors (9312711).

121065061 is an equidigital number, since it uses as much as digits as its factorization.

121065061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9312710.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 121065061 is about 11002.9569207554. The cubic root of 121065061 is about 494.6973778610.

The spelling of 121065061 in words is "one hundred twenty-one million, sixty-five thousand, sixty-one".