402207120 has 200 divisors, whose sum is σ = 1596665664. Its totient is φ = 91922688.

The previous prime is 402207107. The next prime is 402207121. The reversal of 402207120 is 21702204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402207093 and 402207102.

It is not an unprimeable number, because it can be changed into a prime (402207121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40927 + ... + 49793.

Almost surely, 2^402207120 is an apocalyptic number.

402207120 is a gapful number since it is divisible by the number (40) 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 402207120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798332832).

402207120 is an abundant number, since it is smaller than the sum of its proper divisors (1194458544).

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

402207120 is a wasteful number, since it uses less digits than its factorization.

402207120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8899 (or 8884 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 402207120 is about 20055.1020939810. The cubic root of 402207120 is about 738.1589980643.

Adding to 402207120 its reverse (21702204), we get a palindrome (423909324).

The spelling of 402207120 in words is "four hundred two million, two hundred seven thousand, one hundred twenty".