121229545 has 8 divisors (see below), whose sum is σ = 146522880. Its totient is φ = 96285360.

The previous prime is 121229531. The next prime is 121229611. The reversal of 121229545 is 545922121.

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

It is not a de Polignac number, because 121229545 - 2¹¹ = 121227497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86521 + ... + 87910.

It is an arithmetic number, because the mean of its divisors is an integer number (18315360).

Almost surely, 2^121229545 is an apocalyptic number.

It is an amenable number.

121229545 is a deficient number, since it is larger than the sum of its proper divisors (25293335).

121229545 is a wasteful number, since it uses less digits than its factorization.

121229545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174575.

The product of its digits is 7200, while the sum is 31.

The square root of 121229545 is about 11010.4289198923. The cubic root of 121229545 is about 494.9213152487.

The spelling of 121229545 in words is "one hundred twenty-one million, two hundred twenty-nine thousand, five hundred forty-five".