121104045 has 16 divisors (see below), whose sum is σ = 215296320. Its totient is φ = 64588752.

The previous prime is 121104031. The next prime is 121104079. The reversal of 121104045 is 540401121.

It is not a de Polignac number, because 121104045 - 2⁶ = 121103981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448399 + ... + 448668.

It is an arithmetic number, because the mean of its divisors is an integer number (13456020).

Almost surely, 2^121104045 is an apocalyptic number.

121104045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121104045 is a deficient number, since it is larger than the sum of its proper divisors (94192275).

121104045 is an equidigital number, since it uses as much as digits as its factorization.

121104045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897081 (or 897075 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121104045 is about 11004.7283019618. The cubic root of 121104045 is about 494.7504711118.

Adding to 121104045 its reverse (540401121), we get a palindrome (661505166).

The spelling of 121104045 in words is "one hundred twenty-one million, one hundred four thousand, forty-five".