121065722 has 4 divisors (see below), whose sum is σ = 181598586. Its totient is φ = 60532860.

The previous prime is 121065719. The next prime is 121065731. The reversal of 121065722 is 227560121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227560121 = 11497 ⋅19793.

It can be written as a sum of positive squares in only one way, i.e., 105863521 + 15202201 = 10289^2 + 3899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121065691 and 121065700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30266429 + ... + 30266432.

Almost surely, 2^121065722 is an apocalyptic number.

121065722 is a deficient number, since it is larger than the sum of its proper divisors (60532864).

121065722 is an equidigital number, since it uses as much as digits as its factorization.

121065722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60532863.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 121065722 is about 11002.9869580946. The cubic root of 121065722 is about 494.6982781878.

The spelling of 121065722 in words is "one hundred twenty-one million, sixty-five thousand, seven hundred twenty-two".