121048775 has 6 divisors (see below), whose sum is σ = 150100512. Its totient is φ = 96839000.

The previous prime is 121048771. The next prime is 121048783. The reversal of 121048775 is 577840121.

It is not a de Polignac number, because 121048775 - 2² = 121048771 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 (121048771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2420951 + ... + 2421000.

It is an arithmetic number, because the mean of its divisors is an integer number (25016752).

Almost surely, 2^121048775 is an apocalyptic number.

121048775 is a deficient number, since it is larger than the sum of its proper divisors (29051737).

121048775 is an equidigital number, since it uses as much as digits as its factorization.

121048775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841961 (or 4841956 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 121048775 is about 11002.2168220773. The cubic root of 121048775 is about 494.6751941891.

Adding to 121048775 its reverse (577840121), we get a palindrome (698888896).

The spelling of 121048775 in words is "one hundred twenty-one million, forty-eight thousand, seven hundred seventy-five".