120662563 has 8 divisors (see below), whose sum is σ = 138337632. Its totient is φ = 103096896.

The previous prime is 120662557. The next prime is 120662569. The reversal of 120662563 is 365266021.

It is an interprime number because it is at equal distance from previous prime (120662557) and next prime (120662569).

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

It is a de Polignac number, because none of the positive numbers 2^k-120662563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120662569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24970 + ... + 29407.

It is an arithmetic number, because the mean of its divisors is an integer number (17292204).

Almost surely, 2^120662563 is an apocalyptic number.

120662563 is a deficient number, since it is larger than the sum of its proper divisors (17675069).

120662563 is an equidigital number, since it uses as much as digits as its factorization.

120662563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54701.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 120662563 is about 10984.6512461707. The cubic root of 120662563 is about 494.1485386013.

The spelling of 120662563 in words is "one hundred twenty million, six hundred sixty-two thousand, five hundred sixty-three".