120436 has 6 divisors (see below), whose sum is σ = 210770. Its totient is φ = 60216.

The previous prime is 120431. The next prime is 120473. The reversal of 120436 is 634021.

120436 = 59² + 60² + ... + 82².

It can be written as a sum of positive squares in only one way, i.e., 96100 + 24336 = 310^2 + 156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051 + ... + 15058.

2¹²⁰⁴³⁶ is an apocalyptic number.

120436 is the 186-th centered heptagonal number.

It is an amenable number.

120436 is a deficient number, since it is larger than the sum of its proper divisors (90334).

120436 is a wasteful number, since it uses less digits than its factorization.

120436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30113 (or 30111 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120436 is about 347.0389027184. The cubic root of 120436 is about 49.3839064209.

Adding to 120436 its reverse (634021), we get a palindrome (754457).

The spelling of 120436 in words is "one hundred twenty thousand, four hundred thirty-six".