121142316 has 12 divisors (see below), whose sum is σ = 282665432. Its totient is φ = 40380768.

The previous prime is 121142293. The next prime is 121142321. The reversal of 121142316 is 613241121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×121142316³ (a number of 25 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121142292 and 121142301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5047585 + ... + 5047608.

Almost surely, 2^121142316 is an apocalyptic number.

It is an amenable number.

121142316 is an abundant number, since it is smaller than the sum of its proper divisors (161523116).

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

121142316 is a wasteful number, since it uses less digits than its factorization.

121142316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095200 (or 10095198 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 121142316 is about 11006.4670080821. The cubic root of 121142316 is about 494.8025822285.

Adding to 121142316 its reverse (613241121), we get a palindrome (734383437).

The spelling of 121142316 in words is "one hundred twenty-one million, one hundred forty-two thousand, three hundred sixteen".