121532 has 12 divisors (see below), whose sum is σ = 222096. Its totient is φ = 58080.

The previous prime is 121531. The next prime is 121547. The reversal of 121532 is 235121.

It is a happy number.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121531) 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, 569 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (18508).

2¹²¹⁵³² is an apocalyptic number.

It is an amenable number.

121532 is a deficient number, since it is larger than the sum of its proper divisors (100564).

121532 is a wasteful number, since it uses less digits than its factorization.

121532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).

The product of its digits is 60, while the sum is 14.

The square root of 121532 is about 348.6144001616. The cubic root of 121532 is about 49.5332565687.

Adding to 121532 its reverse (235121), we get a palindrome (356653).

The spelling of 121532 in words is "one hundred twenty-one thousand, five hundred thirty-two".