121330523 has 8 divisors (see below), whose sum is σ = 127821120. Its totient is φ = 114850440.

The previous prime is 121330493. The next prime is 121330529. The reversal of 121330523 is 325033121.

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

It is not a de Polignac number, because 121330523 - 2¹⁰ = 121329499 is a prime.

It is a super-2 number, since 2×121330523² = 29442191622907058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121330495 and 121330504.

It is not an unprimeable number, because it can be changed into a prime (121330529) 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, 35036 + ... + 38342.

It is an arithmetic number, because the mean of its divisors is an integer number (15977640).

Almost surely, 2^121330523 is an apocalyptic number.

121330523 is a deficient number, since it is larger than the sum of its proper divisors (6490597).

121330523 is a wasteful number, since it uses less digits than its factorization.

121330523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5257.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 121330523 is about 11015.0135270003. The cubic root of 121330523 is about 495.0586918129.

Adding to 121330523 its reverse (325033121), we get a palindrome (446363644).

The spelling of 121330523 in words is "one hundred twenty-one million, three hundred thirty thousand, five hundred twenty-three".