121324775 has 24 divisors (see below), whose sum is σ = 176749104. Its totient is φ = 81446400.

The previous prime is 121324771. The next prime is 121324783. The reversal of 121324775 is 577423121.

It is not a de Polignac number, because 121324775 - 2² = 121324771 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 (121324771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13394 + ... + 20543.

It is an arithmetic number, because the mean of its divisors is an integer number (7364546).

Almost surely, 2^121324775 is an apocalyptic number.

121324775 is a deficient number, since it is larger than the sum of its proper divisors (55424329).

121324775 is a wasteful number, since it uses less digits than its factorization.

121324775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33971 (or 33966 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 121324775 is about 11014.7526072990. The cubic root of 121324775 is about 495.0508739332.

Adding to 121324775 its reverse (577423121), we get a palindrome (698747896).

The spelling of 121324775 in words is "one hundred twenty-one million, three hundred twenty-four thousand, seven hundred seventy-five".