402201124 has 12 divisors (see below), whose sum is σ = 757994524. Its totient is φ = 185631264.

The previous prime is 402201119. The next prime is 402201131. The reversal of 402201124 is 421102204.

It can be written as a sum of positive squares in 2 ways, for example, as 274962724 + 127238400 = 16582^2 + 11280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 402201098 and 402201107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3867267 + ... + 3867370.

Almost surely, 2^402201124 is an apocalyptic number.

It is an amenable number.

402201124 is a deficient number, since it is larger than the sum of its proper divisors (355793400).

402201124 is a wasteful number, since it uses less digits than its factorization.

402201124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734654 (or 7734652 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 402201124 is about 20054.9526052793. The cubic root of 402201124 is about 738.1553299514.

Adding to 402201124 its reverse (421102204), we get a palindrome (823303328).

The spelling of 402201124 in words is "four hundred two million, two hundred one thousand, one hundred twenty-four".