121302132 has 96 divisors (see below), whose sum is σ = 343203840. Its totient is φ = 32607360.

The previous prime is 121302127. The next prime is 121302179. The reversal of 121302132 is 231203121.

It is a super-3 number, since 3×121302132³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95719 + ... + 96977.

It is an arithmetic number, because the mean of its divisors is an integer number (3575040).

Almost surely, 2^121302132 is an apocalyptic number.

121302132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121302132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171601920).

121302132 is an abundant number, since it is smaller than the sum of its proper divisors (221901708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121302132 is a wasteful number, since it uses less digits than its factorization.

121302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121302132 is about 11013.7247105600. The cubic root of 121302132 is about 495.0200746884.

Adding to 121302132 its reverse (231203121), we get a palindrome (352505253).

It can be divided in two parts, 121 and 302132, that added together give a triangular number (302253 = T₇₇₇).

The spelling of 121302132 in words is "one hundred twenty-one million, three hundred two thousand, one hundred thirty-two".