121120567 has 4 divisors (see below), whose sum is σ = 121142736. Its totient is φ = 121098400.

The previous prime is 121120561. The next prime is 121120579. The reversal of 121120567 is 765021121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765021121 = 431 ⋅1774991.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121120567 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 (121120561) 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, 3567 + ... + 15967.

It is an arithmetic number, because the mean of its divisors is an integer number (30285684).

Almost surely, 2^121120567 is an apocalyptic number.

121120567 is a deficient number, since it is larger than the sum of its proper divisors (22169).

121120567 is an equidigital number, since it uses as much as digits as its factorization.

121120567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22168.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 121120567 is about 11005.4789536848. The cubic root of 121120567 is about 494.7729693847.

Adding to 121120567 its reverse (765021121), we get a palindrome (886141688).

The spelling of 121120567 in words is "one hundred twenty-one million, one hundred twenty thousand, five hundred sixty-seven".