121300045 has 16 divisors (see below), whose sum is σ = 152295552. Its totient is φ = 92572480.

The previous prime is 121300043. The next prime is 121300051. The reversal of 121300045 is 540003121.

It is not a de Polignac number, because 121300045 - 2¹ = 121300043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49755 + ... + 52135.

It is an arithmetic number, because the mean of its divisors is an integer number (9518472).

Almost surely, 2^121300045 is an apocalyptic number.

It is an amenable number.

121300045 is a deficient number, since it is larger than the sum of its proper divisors (30995507).

121300045 is a wasteful number, since it uses less digits than its factorization.

121300045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 121300045 is about 11013.6299647301. The cubic root of 121300045 is about 495.0172357363.

Adding to 121300045 its reverse (540003121), we get a palindrome (661303166).

The spelling of 121300045 in words is "one hundred twenty-one million, three hundred thousand, forty-five".