121432053 has 16 divisors (see below), whose sum is σ = 168708096. Its totient is φ = 77604720.

The previous prime is 121432049. The next prime is 121432057. The reversal of 121432053 is 350234121.

It is an interprime number because it is at equal distance from previous prime (121432049) and next prime (121432057).

It is not a de Polignac number, because 121432053 - 2² = 121432049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121432057) 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 15 ways as a sum of consecutive naturals, for example, 3850 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (10544256).

Almost surely, 2^121432053 is an apocalyptic number.

It is an amenable number.

121432053 is a deficient number, since it is larger than the sum of its proper divisors (47276043).

121432053 is a wasteful number, since it uses less digits than its factorization.

121432053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 121432053 is about 11019.6212729839. The cubic root of 121432053 is about 495.1967425250.

Adding to 121432053 its reverse (350234121), we get a palindrome (471666174).

It can be divided in two parts, 12143 and 2053, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 121432053 in words is "one hundred twenty-one million, four hundred thirty-two thousand, fifty-three".