121376345 has 8 divisors (see below), whose sum is σ = 154219464. Its totient is φ = 91389184.

The previous prime is 121376323. The next prime is 121376357. The reversal of 121376345 is 543673121.

It can be written as a sum of positive squares in 4 ways, for example, as 13278736 + 108097609 = 3644^2 + 10397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121376345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713894 + ... + 714063.

It is an arithmetic number, because the mean of its divisors is an integer number (19277433).

Almost surely, 2^121376345 is an apocalyptic number.

It is an amenable number.

121376345 is a deficient number, since it is larger than the sum of its proper divisors (32843119).

121376345 is a wasteful number, since it uses less digits than its factorization.

121376345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427979.

The product of its digits is 15120, while the sum is 32.

The square root of 121376345 is about 11017.0933099434. The cubic root of 121376345 is about 495.1210056855.

The spelling of 121376345 in words is "one hundred twenty-one million, three hundred seventy-six thousand, three hundred forty-five".