121700773 has 16 divisors (see below), whose sum is σ = 132024816. Its totient is φ = 111754240.

The previous prime is 121700771. The next prime is 121700779. The reversal of 121700773 is 377007121.

It can be written as a sum of positive squares in 8 ways, for example, as 22638564 + 99062209 = 4758^2 + 9953^2 .

It is a cyclic number.

It is not a de Polignac number, because 121700773 - 2¹ = 121700771 is a prime.

It is a super-2 number, since 2×121700773² = 29622156297595058, which contains 22 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 (121700771) 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, 263763 + ... + 264223.

It is an arithmetic number, because the mean of its divisors is an integer number (8251551).

Almost surely, 2^121700773 is an apocalyptic number.

It is an amenable number.

121700773 is a deficient number, since it is larger than the sum of its proper divisors (10324043).

121700773 is a wasteful number, since it uses less digits than its factorization.

121700773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 121700773 is about 11031.8073315300. The cubic root of 121700773 is about 495.5617511270.

Adding to 121700773 its reverse (377007121), we get a palindrome (498707894).

The spelling of 121700773 in words is "one hundred twenty-one million, seven hundred thousand, seven hundred seventy-three".