121077 has 12 divisors (see below), whose sum is σ = 190944. Its totient is φ = 73320.

The previous prime is 121067. The next prime is 121081. The reversal of 121077 is 770121.

It is not a de Polignac number, because 121077 - 2⁴ = 121061 is a prime.

121077 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513 + ... + 710.

It is an arithmetic number, because the mean of its divisors is an integer number (15912).

2¹²¹⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

121077 is a deficient number, since it is larger than the sum of its proper divisors (69867).

121077 is a wasteful number, since it uses less digits than its factorization.

121077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1237 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 121077 is about 347.9612047341. The cubic root of 121077 is about 49.4713639084.

Adding to 121077 its reverse (770121), we get a palindrome (891198).

It can be divided in two parts, 12 and 1077, that added together give a square (1089 = 33²).

The spelling of 121077 in words is "one hundred twenty-one thousand, seventy-seven", and thus it is an iban number.