121000036 has 6 divisors (see below), whose sum is σ = 211750070. Its totient is φ = 60500016.

The previous prime is 121000003. The next prime is 121000049. The reversal of 121000036 is 630000121.

It can be written as a sum of positive squares in only one way, i.e., 121000000 + 36 = 11000^2 + 6^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15125001 + ... + 15125008.

Almost surely, 2^121000036 is an apocalyptic number.

It is an amenable number.

121000036 is a deficient number, since it is larger than the sum of its proper divisors (90750034).

121000036 is a wasteful number, since it uses less digits than its factorization.

121000036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30250013 (or 30250011 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121000036 is about 11000.0016363635. The cubic root of 121000036 is about 494.6087933770.

Subtracting from 121000036 its product of nonzero digits (36), we obtain a square (121000000 = 11000²).

Adding to 121000036 its reverse (630000121), we get a palindrome (751000157).

It can be divided in two parts, 1210000 and 36, that multiplied together give a square (43560000 = 6600²).

The spelling of 121000036 in words is "one hundred twenty-one million, thirty-six", and thus it is an aban number.