121774 has 4 divisors (see below), whose sum is σ = 182664. Its totient is φ = 60886.

The previous prime is 121763. The next prime is 121787. The reversal of 121774 is 477121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477121 = 31 ⋅15391.

It is a congruent number.

It is an unprimeable number.

121774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30442 + ... + 30445.

It is an arithmetic number, because the mean of its divisors is an integer number (45666).

2¹²¹⁷⁷⁴ is an apocalyptic number.

121774 is a deficient number, since it is larger than the sum of its proper divisors (60890).

121774 is an equidigital number, since it uses as much as digits as its factorization.

121774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60889.

The product of its digits is 392, while the sum is 22.

The square root of 121774 is about 348.9613159077. The cubic root of 121774 is about 49.5661123885.

Adding to 121774 its reverse (477121), we get a palindrome (598895).

The spelling of 121774 in words is "one hundred twenty-one thousand, seven hundred seventy-four", and thus it is an iban number.