121153045 has 8 divisors (see below), whose sum is σ = 156567096. Its totient is φ = 89466816.

The previous prime is 121153037. The next prime is 121153061. The reversal of 121153045 is 540351121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 121022001 = 362^2 + 11001^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121153045 - 2³ = 121153037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931882 + ... + 932011.

It is an arithmetic number, because the mean of its divisors is an integer number (19570887).

Almost surely, 2^121153045 is an apocalyptic number.

It is an amenable number.

121153045 is a deficient number, since it is larger than the sum of its proper divisors (35414051).

121153045 is a wasteful number, since it uses less digits than its factorization.

121153045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863911.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 121153045 is about 11006.9543925647. The cubic root of 121153045 is about 494.8171892361.

The spelling of 121153045 in words is "one hundred twenty-one million, one hundred fifty-three thousand, forty-five".