121146536 has 32 divisors (see below), whose sum is σ = 261360000. Its totient is φ = 51567936.

The previous prime is 121146521. The next prime is 121146541. The reversal of 121146536 is 635641121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121146499 and 121146508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085 + ... + 15603.

It is an arithmetic number, because the mean of its divisors is an integer number (8167500).

Almost surely, 2^121146536 is an apocalyptic number.

It is an amenable number.

121146536 is an abundant number, since it is smaller than the sum of its proper divisors (140213464).

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

121146536 is a wasteful number, since it uses less digits than its factorization.

121146536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681 (or 14677 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 121146536 is about 11006.6587118889. The cubic root of 121146536 is about 494.8083276546.

Adding to 121146536 its reverse (635641121), we get a palindrome (756787657).

The spelling of 121146536 in words is "one hundred twenty-one million, one hundred forty-six thousand, five hundred thirty-six".