121473 has 16 divisors (see below), whose sum is σ = 196800. Its totient is φ = 73440.

The previous prime is 121469. The next prime is 121487. The reversal of 121473 is 374121.

It is not a de Polignac number, because 121473 - 2² = 121469 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121473.

It is not an unprimeable number, because it can be changed into a prime (121403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93 + ... + 501.

It is an arithmetic number, because the mean of its divisors is an integer number (12300).

2¹²¹⁴⁷³ is an apocalyptic number.

It is an amenable number.

121473 is a deficient number, since it is larger than the sum of its proper divisors (75327).

121473 is a wasteful number, since it uses less digits than its factorization.

121473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 121473 is about 348.5297691733. The cubic root of 121473 is about 49.5252396536.

Adding to 121473 its reverse (374121), we get a palindrome (495594).

It can be divided in two parts, 12 and 1473, that added together give a triangular number (1485 = T₅₄).

The spelling of 121473 in words is "one hundred twenty-one thousand, four hundred seventy-three", and thus it is an iban number.