121323001 has 4 divisors (see below), whose sum is σ = 121515904. Its totient is φ = 121130100.

The previous prime is 121322969. The next prime is 121323017. The reversal of 121323001 is 100323121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100323121 = 331 ⋅303091.

It is a cyclic number.

It is not a de Polignac number, because 121323001 - 2⁵ = 121322969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121323031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95505 + ... + 96766.

It is an arithmetic number, because the mean of its divisors is an integer number (30378976).

Almost surely, 2^121323001 is an apocalyptic number.

It is an amenable number.

121323001 is a deficient number, since it is larger than the sum of its proper divisors (192903).

121323001 is an equidigital number, since it uses as much as digits as its factorization.

121323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192902.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121323001 is about 11014.6720786413. The cubic root of 121323001 is about 495.0484610583.

Adding to 121323001 its reverse (100323121), we get a palindrome (221646122).

The spelling of 121323001 in words is "one hundred twenty-one million, three hundred twenty-three thousand, one".