121736036 has 6 divisors (see below), whose sum is σ = 213038070. Its totient is φ = 60868016.

The previous prime is 121735979. The next prime is 121736051. The reversal of 121736036 is 630637121.

It can be written as a sum of positive squares in only one way, i.e., 91968100 + 29767936 = 9590^2 + 5456^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15217001 + ... + 15217008.

It is an arithmetic number, because the mean of its divisors is an integer number (35506345).

Almost surely, 2^121736036 is an apocalyptic number.

It is an amenable number.

121736036 is a deficient number, since it is larger than the sum of its proper divisors (91302034).

121736036 is a wasteful number, since it uses less digits than its factorization.

121736036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30434013 (or 30434011 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 121736036 is about 11033.4054579717. The cubic root of 121736036 is about 495.6096097836.

The spelling of 121736036 in words is "one hundred twenty-one million, seven hundred thirty-six thousand, thirty-six".