121140460 has 48 divisors (see below), whose sum is σ = 297513216. Its totient is φ = 40565952.

The previous prime is 121140451. The next prime is 121140493. The reversal of 121140460 is 64041121.

It is a super-3 number, since 3×121140460³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4042 + ... + 16081.

It is an arithmetic number, because the mean of its divisors is an integer number (6198192).

Almost surely, 2^121140460 is an apocalyptic number.

121140460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121140460 is an abundant number, since it is smaller than the sum of its proper divisors (176372756).

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

121140460 is a wasteful number, since it uses less digits than its factorization.

121140460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20182 (or 20180 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 121140460 is about 11006.3826936919. The cubic root of 121140460 is about 494.8000552880.

Adding to 121140460 its reverse (64041121), we get a palindrome (185181581).

The spelling of 121140460 in words is "one hundred twenty-one million, one hundred forty thousand, four hundred sixty".