121140532 has 6 divisors (see below), whose sum is σ = 211995938. Its totient is φ = 60570264.

The previous prime is 121140499. The next prime is 121140533. The reversal of 121140532 is 235041121.

It can be written as a sum of positive squares in only one way, i.e., 95374756 + 25765776 = 9766^2 + 5076^2 .

It is a super-3 number, since 3×121140532³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121140533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15142563 + ... + 15142570.

Almost surely, 2^121140532 is an apocalyptic number.

It is an amenable number.

121140532 is a deficient number, since it is larger than the sum of its proper divisors (90855406).

121140532 is a wasteful number, since it uses less digits than its factorization.

121140532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30285137 (or 30285135 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 121140532 is about 11006.3859645208. The cubic root of 121140532 is about 494.8001533164.

Adding to 121140532 its reverse (235041121), we get a palindrome (356181653).

The spelling of 121140532 in words is "one hundred twenty-one million, one hundred forty thousand, five hundred thirty-two".