967653121 has 4 divisors (see below), whose sum is σ = 1001020500. Its totient is φ = 934285744.

The previous prime is 967653053. The next prime is 967653133. The reversal of 967653121 is 121356769.

967653121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121356769 = 6991 ⋅17359.

It can be written as a sum of positive squares in 2 ways, for example, as 418407025 + 549246096 = 20455^2 + 23436^2 .

It is a cyclic number.

It is not a de Polignac number, because 967653121 - 2²³ = 959264513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (967653151) 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, 16683646 + ... + 16683703.

It is an arithmetic number, because the mean of its divisors is an integer number (250255125).

Almost surely, 2^967653121 is an apocalyptic number.

It is an amenable number.

967653121 is a deficient number, since it is larger than the sum of its proper divisors (33367379).

967653121 is a wasteful number, since it uses less digits than its factorization.

967653121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33367378.

The product of its digits is 68040, while the sum is 40.

The square root of 967653121 is about 31107.1233160509. The cubic root of 967653121 is about 989.0993137982.

The spelling of 967653121 in words is "nine hundred sixty-seven million, six hundred fifty-three thousand, one hundred twenty-one".