121260969 has 10 divisors (see below), whose sum is σ = 181143050. Its totient is φ = 80840592.

The previous prime is 121260947. The next prime is 121261013. The reversal of 121260969 is 969062121.

It can be written as a sum of positive squares in only one way, i.e., 120560400 + 700569 = 10980^2 + 837^2 .

It is not a de Polignac number, because 121260969 - 2⁹ = 121260457 is a prime.

It is a super-2 number, since 2×121260969² = 29408445205637922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121260169) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 748444 + ... + 748605.

It is an arithmetic number, because the mean of its divisors is an integer number (18114305).

Almost surely, 2^121260969 is an apocalyptic number.

It is an amenable number.

121260969 is a deficient number, since it is larger than the sum of its proper divisors (59882081).

121260969 is an equidigital number, since it uses as much as digits as its factorization.

121260969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497061 (or 1497052 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 121260969 is about 11011.8558381410. The cubic root of 121260969 is about 494.9640745277.

The spelling of 121260969 in words is "one hundred twenty-one million, two hundred sixty thousand, nine hundred sixty-nine".