121323532 has 24 divisors (see below), whose sum is σ = 232540560. Its totient is φ = 54927360.

The previous prime is 121323487. The next prime is 121323541. The reversal of 121323532 is 235323121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5944 + ... + 16672.

It is an arithmetic number, because the mean of its divisors is an integer number (9689190).

Almost surely, 2^121323532 is an apocalyptic number.

It is an amenable number.

121323532 is a deficient number, since it is larger than the sum of its proper divisors (111217028).

121323532 is a wasteful number, since it uses less digits than its factorization.

121323532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001 (or 10999 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 121323532 is about 11014.6961828277. The cubic root of 121323532 is about 495.0491832911.

Adding to 121323532 its reverse (235323121), we get a palindrome (356646653).

The spelling of 121323532 in words is "one hundred twenty-one million, three hundred twenty-three thousand, five hundred thirty-two".