121541266 has 48 divisors (see below), whose sum is σ = 238885632. Its totient is φ = 45813600.

The previous prime is 121541249. The next prime is 121541281. The reversal of 121541266 is 662145121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31600 + ... + 35236.

It is an arithmetic number, because the mean of its divisors is an integer number (4976784).

Almost surely, 2^121541266 is an apocalyptic number.

121541266 is a deficient number, since it is larger than the sum of its proper divisors (117344366).

121541266 is a wasteful number, since it uses less digits than its factorization.

121541266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695 (or 3688 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 121541266 is about 11024.5755473850. The cubic root of 121541266 is about 495.3451539625.

Adding to 121541266 its reverse (662145121), we get a palindrome (783686387).

The spelling of 121541266 in words is "one hundred twenty-one million, five hundred forty-one thousand, two hundred sixty-six".