121471 has 12 divisors (see below), whose sum is σ = 147288. Its totient is φ = 99792.

The previous prime is 121469. The next prime is 121487. The reversal of 121471 is 174121.

It is not a de Polignac number, because 121471 - 2¹ = 121469 is a prime.

It is a super-3 number, since 3×121471³ = 5376988097310333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1780 + ... + 1846.

It is an arithmetic number, because the mean of its divisors is an integer number (12274).

2¹²¹⁴⁷¹ is an apocalyptic number.

121471 is a deficient number, since it is larger than the sum of its proper divisors (25817).

121471 is an equidigital number, since it uses as much as digits as its factorization.

121471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 111 counting only the distinct ones).

The product of its digits is 56, while the sum is 16.

The square root of 121471 is about 348.5268999661. The cubic root of 121471 is about 49.5249678482.

Adding to 121471 its reverse (174121), we get a palindrome (295592).

Subtracting 121471 from its reverse (174121), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 121471 in words is "one hundred twenty-one thousand, four hundred seventy-one", and thus it is an iban number.