121076305 has 24 divisors (see below), whose sum is σ = 174850920. Its totient is φ = 80156160.

The previous prime is 121076287. The next prime is 121076317. The reversal of 121076305 is 503670121.

It can be written as a sum of positive squares in 4 ways, for example, as 35569296 + 85507009 = 5964^2 + 9247^2 .

It is a de Polignac number, because none of the positive numbers 2^k-121076305 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 121076305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1416 + ... + 15625.

It is an arithmetic number, because the mean of its divisors is an integer number (7285455).

Almost surely, 2^121076305 is an apocalyptic number.

It is an amenable number.

121076305 is a deficient number, since it is larger than the sum of its proper divisors (53774615).

121076305 is a wasteful number, since it uses less digits than its factorization.

121076305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089 (or 17082 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 121076305 is about 11003.4678624514. The cubic root of 121076305 is about 494.7126925055.

The spelling of 121076305 in words is "one hundred twenty-one million, seventy-six thousand, three hundred five".