121304679 has 4 divisors (see below), whose sum is σ = 161739576. Its totient is φ = 80869784.

The previous prime is 121304669. The next prime is 121304681. The reversal of 121304679 is 976403121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976403121 = 3 ⋅325467707.

It is a cyclic number.

It is not a de Polignac number, because 121304679 - 2⁴ = 121304663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121304669) 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, 20217444 + ... + 20217449.

It is an arithmetic number, because the mean of its divisors is an integer number (40434894).

Almost surely, 2^121304679 is an apocalyptic number.

121304679 is a deficient number, since it is larger than the sum of its proper divisors (40434897).

121304679 is an equidigital number, since it uses as much as digits as its factorization.

121304679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40434896.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 121304679 is about 11013.8403384106. The cubic root of 121304679 is about 495.0235393356.

The spelling of 121304679 in words is "one hundred twenty-one million, three hundred four thousand, six hundred seventy-nine".