696121 has 4 divisors (see below), whose sum is σ = 704592. Its totient is φ = 687652.

The previous prime is 696119. The next prime is 696149. The reversal of 696121 is 121696.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 696121 - 2¹ = 696119 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

696121 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (696181) 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, 4111 + ... + 4276.

It is an arithmetic number, because the mean of its divisors is an integer number (176148).

2⁶⁹⁶¹²¹ is an apocalyptic number.

It is an amenable number.

696121 is a deficient number, since it is larger than the sum of its proper divisors (8471).

696121 is an equidigital number, since it uses as much as digits as its factorization.

696121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470.

The product of its digits is 648, while the sum is 25.

The square root of 696121 is about 834.3386602573. The cubic root of 696121 is about 88.6260877375.

The spelling of 696121 in words is "six hundred ninety-six thousand, one hundred twenty-one".