121761332 has 72 divisors (see below), whose sum is σ = 271524288. Its totient is φ = 46759680.

The previous prime is 121761319. The next prime is 121761403. The reversal of 121761332 is 233167121.

It is a super-3 number, since 3×121761332³ (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 23 ways as a sum of consecutive naturals, for example, 280988 + ... + 281420.

Almost surely, 2^121761332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121761332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135762144).

121761332 is an abundant number, since it is smaller than the sum of its proper divisors (149762956).

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

121761332 is a wasteful number, since it uses less digits than its factorization.

121761332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 536 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 121761332 is about 11034.5517353448. The cubic root of 121761332 is about 495.6439356163.

The spelling of 121761332 in words is "one hundred twenty-one million, seven hundred sixty-one thousand, three hundred thirty-two".