121145346 has 36 divisors (see below), whose sum is σ = 305337942. Its totient is φ = 34612704.

The previous prime is 121145341. The next prime is 121145377. The reversal of 121145346 is 643541121.

It is a happy number.

121145346 is a `hidden beast` number, since 12 + 114 + 534 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 114254721 + 6890625 = 10689^2 + 2625^2 .

It is a super-3 number, since 3×121145346³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121145341) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67795 + ... + 69558.

Almost surely, 2^121145346 is an apocalyptic number.

121145346 is an abundant number, since it is smaller than the sum of its proper divisors (184192596).

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

121145346 is a wasteful number, since it uses less digits than its factorization.

121145346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137375 (or 137365 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 121145346 is about 11006.6046535705. The cubic root of 121145346 is about 494.8067075124.

Adding to 121145346 its reverse (643541121), we get a palindrome (764686467).

The spelling of 121145346 in words is "one hundred twenty-one million, one hundred forty-five thousand, three hundred forty-six".