121073 has 4 divisors (see below), whose sum is σ = 124068. Its totient is φ = 118080.

The previous prime is 121067. The next prime is 121081. The reversal of 121073 is 370121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47089 + 73984 = 217^2 + 272^2 .

It is not a de Polignac number, because 121073 - 2⁸ = 120817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436 + ... + 1517.

It is an arithmetic number, because the mean of its divisors is an integer number (31017).

2¹²¹⁰⁷³ is an apocalyptic number.

It is an amenable number.

121073 is a deficient number, since it is larger than the sum of its proper divisors (2995).

121073 is an equidigital number, since it uses as much as digits as its factorization.

121073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 121073 is about 347.9554569194. The cubic root of 121073 is about 49.4708191101.

Adding to 121073 its reverse (370121), we get a palindrome (491194).

The spelling of 121073 in words is "one hundred twenty-one thousand, seventy-three", and thus it is an iban number.