120137663 has 4 divisors (see below), whose sum is σ = 120766848. Its totient is φ = 119508480.

The previous prime is 120137653. The next prime is 120137669. The reversal of 120137663 is 366731021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120137663 - 2²⁴ = 103360447 is a prime.

It is a super-2 number, since 2×120137663² = 28866116142203138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120137669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314306 + ... + 314687.

It is an arithmetic number, because the mean of its divisors is an integer number (30191712).

Almost surely, 2^120137663 is an apocalyptic number.

120137663 is a deficient number, since it is larger than the sum of its proper divisors (629185).

120137663 is an equidigital number, since it uses as much as digits as its factorization.

120137663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629184.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 120137663 is about 10960.7327765985. The cubic root of 120137663 is about 493.4309573157.

Adding to 120137663 its reverse (366731021), we get a palindrome (486868684).

The spelling of 120137663 in words is "one hundred twenty million, one hundred thirty-seven thousand, six hundred sixty-three".