121475 has 12 divisors (see below), whose sum is σ = 155496. Its totient is φ = 94080.

The previous prime is 121469. The next prime is 121487. The reversal of 121475 is 574121.

121475 = T₄ + T₅ + ... + T₈₉.

It is a de Polignac number, because none of the positive numbers 2^k-121475 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121475.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (12958).

2¹²¹⁴⁷⁵ is an apocalyptic number.

121475 is a deficient number, since it is larger than the sum of its proper divisors (34021).

121475 is a wasteful number, since it uses less digits than its factorization.

121475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 161 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 121475 is about 348.5326383569. The cubic root of 121475 is about 49.5255114559.

Adding to 121475 its reverse (574121), we get a palindrome (695596).

It can be divided in two parts, 121 and 475, that multiplied together give a palindrome (57475).

The spelling of 121475 in words is "one hundred twenty-one thousand, four hundred seventy-five".