121035649 has 8 divisors (see below), whose sum is σ = 141700608. Its totient is φ = 101214240.

The previous prime is 121035641. The next prime is 121035653. The reversal of 121035649 is 946530121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121035649 - 2³ = 121035641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121035649.

It is not an unprimeable number, because it can be changed into a prime (121035641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210577 + ... + 211150.

It is an arithmetic number, because the mean of its divisors is an integer number (17712576).

Almost surely, 2^121035649 is an apocalyptic number.

It is an amenable number.

121035649 is a deficient number, since it is larger than the sum of its proper divisors (20664959).

121035649 is an equidigital number, since it uses as much as digits as its factorization.

121035649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421775.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 121035649 is about 11001.6202897573. The cubic root of 121035649 is about 494.6573134042.

The spelling of 121035649 in words is "one hundred twenty-one million, thirty-five thousand, six hundred forty-nine".