964121 has 4 divisors (see below), whose sum is σ = 1020852. Its totient is φ = 907392.

The previous prime is 964097. The next prime is 964133. The reversal of 964121 is 121469.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 265225 = 836^2 + 515^2 .

It is not a de Polignac number, because 964121 - 2¹⁰ = 963097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28340 + ... + 28373.

It is an arithmetic number, because the mean of its divisors is an integer number (255213).

2⁹⁶⁴¹²¹ is an apocalyptic number.

It is an amenable number.

964121 is a deficient number, since it is larger than the sum of its proper divisors (56731).

964121 is a wasteful number, since it uses less digits than its factorization.

964121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56730.

The product of its digits is 432, while the sum is 23.

The square root of 964121 is about 981.8966340710. The cubic root of 964121 is about 98.7894378608.

The spelling of 964121 in words is "nine hundred sixty-four thousand, one hundred twenty-one".