121171275 has 48 divisors (see below), whose sum is σ = 225208800. Its totient is φ = 63866880.

The previous prime is 121171273. The next prime is 121171283. The reversal of 121171275 is 572171121.

It is not a de Polignac number, because 121171275 - 2¹ = 121171273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121171273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59067 + ... + 61083.

It is an arithmetic number, because the mean of its divisors is an integer number (4691850).

Almost surely, 2^121171275 is an apocalyptic number.

121171275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121171275 is a deficient number, since it is larger than the sum of its proper divisors (104037525).

121171275 is a wasteful number, since it uses less digits than its factorization.

121171275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2114 counting only the distinct ones).

The product of its digits is 980, while the sum is 27.

The square root of 121171275 is about 11007.7824742316. The cubic root of 121171275 is about 494.8420065102.

It can be divided in two parts, 121 and 171275, that added together give a square (171396 = 414²).

The spelling of 121171275 in words is "one hundred twenty-one million, one hundred seventy-one thousand, two hundred seventy-five".