120130452 has 84 divisors (see below), whose sum is σ = 339551380. Its totient is φ = 36951552.

The previous prime is 120130447. The next prime is 120130457. The reversal of 120130452 is 254031021.

It is an interprime number because it is at equal distance from previous prime (120130447) and next prime (120130457).

It can be written as a sum of positive squares in 2 ways, for example, as 57972996 + 62157456 = 7614^2 + 7884^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120130457) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 36324 + ... + 39492.

Almost surely, 2^120130452 is an apocalyptic number.

120130452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120130452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169775690).

120130452 is an abundant number, since it is smaller than the sum of its proper divisors (219420928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120130452 is a wasteful number, since it uses less digits than its factorization.

120130452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120130452 is about 10960.4038246773. The cubic root of 120130452 is about 493.4210847475.

Adding to 120130452 its reverse (254031021), we get a palindrome (374161473).

The spelling of 120130452 in words is "one hundred twenty million, one hundred thirty thousand, four hundred fifty-two".