120637 has 6 divisors (see below), whose sum is σ = 132734. Its totient is φ = 109560.

The previous prime is 120623. The next prime is 120641. The reversal of 120637 is 736021.

It can be written as a sum of positive squares in only one way, i.e., 116281 + 4356 = 341^2 + 66^2 .

It is not a de Polignac number, because 120637 - 2¹¹ = 118589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120607) 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, 378 + ... + 619.

2¹²⁰⁶³⁷ is an apocalyptic number.

It is an amenable number.

120637 is a deficient number, since it is larger than the sum of its proper divisors (12097).

120637 is an equidigital number, since it uses as much as digits as its factorization.

120637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 120637 is about 347.3283748846. The cubic root of 120637 is about 49.4113640146.

Adding to 120637 its reverse (736021), we get a palindrome (856658).

It can be divided in two parts, 120 and 637, that added together give a palindrome (757).

The spelling of 120637 in words is "one hundred twenty thousand, six hundred thirty-seven".