1210968965 has 8 divisors (see below), whose sum is σ = 1500039168. Its totient is φ = 937524240.

The previous prime is 1210968961. The next prime is 1210968991. The reversal of 1210968965 is 5698690121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1210968965 - 2² = 1210968961 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 (1210968961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3906197 + ... + 3906506.

It is an arithmetic number, because the mean of its divisors is an integer number (187504896).

Almost surely, 2^1210968965 is an apocalyptic number.

It is an amenable number.

1210968965 is a deficient number, since it is larger than the sum of its proper divisors (289070203).

1210968965 is an equidigital number, since it uses as much as digits as its factorization.

1210968965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812739.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 1210968965 is about 34798.9793672171. The cubic root of 1210968965 is about 1065.8866047495.

The spelling of 1210968965 in words is "one billion, two hundred ten million, nine hundred sixty-eight thousand, nine hundred sixty-five".