403120152 has 80 divisors (see below), whose sum is σ = 1132676160. Its totient is φ = 133949376.

The previous prime is 403120129. The next prime is 403120181. The reversal of 403120152 is 251021304.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 256473 + ... + 258039.

It is an arithmetic number, because the mean of its divisors is an integer number (14158452).

Almost surely, 2^403120152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403120152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566338080).

403120152 is an abundant number, since it is smaller than the sum of its proper divisors (729556008).

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

403120152 is a wasteful number, since it uses less digits than its factorization.

403120152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1969 counting only the distinct ones).

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

The square root of 403120152 is about 20077.8522755797. The cubic root of 403120152 is about 738.7171296153.

Adding to 403120152 its reverse (251021304), we get a palindrome (654141456).

The spelling of 403120152 in words is "four hundred three million, one hundred twenty thousand, one hundred fifty-two".