121762070061 has 4 divisors (see below), whose sum is σ = 162349426752. Its totient is φ = 81174713372.

The previous prime is 121762070051. The next prime is 121762070069. The reversal of 121762070061 is 160070267121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160070267121 = 3 ⋅53356755707.

It is a cyclic number.

It is not a de Polignac number, because 121762070061 - 2¹⁸ = 121761807917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121762070069) 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, 20293678341 + ... + 20293678346.

It is an arithmetic number, because the mean of its divisors is an integer number (40587356688).

Almost surely, 2^121762070061 is an apocalyptic number.

It is an amenable number.

121762070061 is a deficient number, since it is larger than the sum of its proper divisors (40587356691).

121762070061 is an equidigital number, since it uses as much as digits as its factorization.

121762070061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40587356690.

The product of its (nonzero) digits is 7056, while the sum is 33.

The spelling of 121762070061 in words is "one hundred twenty-one billion, seven hundred sixty-two million, seventy thousand, sixty-one".