120416643 has 6 divisors (see below), whose sum is σ = 173935164. Its totient is φ = 80277756.

The previous prime is 120416633. The next prime is 120416651. The reversal of 120416643 is 346614021.

120416643 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 16 + 643 = 666.

It is not a de Polignac number, because 120416643 - 2¹³ = 120408451 is a prime.

It is a super-2 number, since 2×120416643² = 29000335822778898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120416633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6689805 + ... + 6689822.

It is an arithmetic number, because the mean of its divisors is an integer number (28989194).

Almost surely, 2^120416643 is an apocalyptic number.

120416643 is a deficient number, since it is larger than the sum of its proper divisors (53518521).

120416643 is a wasteful number, since it uses less digits than its factorization.

120416643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13379633 (or 13379630 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 120416643 is about 10973.4517358942. The cubic root of 120416643 is about 493.8126054675.

The spelling of 120416643 in words is "one hundred twenty million, four hundred sixteen thousand, six hundred forty-three".