121377716 has 12 divisors (see below), whose sum is σ = 221646432. Its totient is φ = 58050168.

The previous prime is 121377689. The next prime is 121377743. The reversal of 121377716 is 617773121.

It is an interprime number because it is at equal distance from previous prime (121377689) and next prime (121377743).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659570 + ... + 659753.

It is an arithmetic number, because the mean of its divisors is an integer number (18470536).

Almost surely, 2^121377716 is an apocalyptic number.

It is an amenable number.

121377716 is a deficient number, since it is larger than the sum of its proper divisors (100268716).

121377716 is a wasteful number, since it uses less digits than its factorization.

121377716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319350 (or 1319348 counting only the distinct ones).

The product of its digits is 12348, while the sum is 35.

The square root of 121377716 is about 11017.1555312612. The cubic root of 121377716 is about 495.1228698828.

The spelling of 121377716 in words is "one hundred twenty-one million, three hundred seventy-seven thousand, seven hundred sixteen".