121339436 has 6 divisors (see below), whose sum is σ = 212344020. Its totient is φ = 60669716.

The previous prime is 121339423. The next prime is 121339457. The reversal of 121339436 is 634933121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15167426 + ... + 15167433.

It is an arithmetic number, because the mean of its divisors is an integer number (35390670).

Almost surely, 2^121339436 is an apocalyptic number.

It is an amenable number.

121339436 is a deficient number, since it is larger than the sum of its proper divisors (91004584).

121339436 is a wasteful number, since it uses less digits than its factorization.

121339436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30334863 (or 30334861 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 121339436 is about 11015.4181037308. The cubic root of 121339436 is about 495.0708139346.

The spelling of 121339436 in words is "one hundred twenty-one million, three hundred thirty-nine thousand, four hundred thirty-six".