1209968967 has 8 divisors (see below), whose sum is σ = 1665333760. Its totient is φ = 780625080.

The previous prime is 1209968951. The next prime is 1209968971. The reversal of 1209968967 is 7698699021.

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

It is not a de Polignac number, because 1209968967 - 2⁴ = 1209968951 is a prime.

It is a super-2 number, since 2×1209968967² = 2928049802206094178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209968267) 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, 6505117 + ... + 6505302.

It is an arithmetic number, because the mean of its divisors is an integer number (208166720).

Almost surely, 2^1209968967 is an apocalyptic number.

1209968967 is a deficient number, since it is larger than the sum of its proper divisors (455364793).

1209968967 is a wasteful number, since it uses less digits than its factorization.

1209968967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13010453.

The product of its (nonzero) digits is 2939328, while the sum is 57.

The square root of 1209968967 is about 34784.6081909801. The cubic root of 1209968967 is about 1065.5931268170.

The spelling of 1209968967 in words is "one billion, two hundred nine million, nine hundred sixty-eight thousand, nine hundred sixty-seven".