1206400528 has 10 divisors (see below), whose sum is σ = 2337401054. Its totient is φ = 603200256.

The previous prime is 1206400511. The next prime is 1206400537. The reversal of 1206400528 is 8250046021.

It can be written as a sum of positive squares in only one way, i.e., 1169092864 + 37307664 = 34192^2 + 6108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1206400496 and 1206400505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37700001 + ... + 37700032.

Almost surely, 2^1206400528 is an apocalyptic number.

It is an amenable number.

1206400528 is a deficient number, since it is larger than the sum of its proper divisors (1131000526).

1206400528 is an equidigital number, since it uses as much as digits as its factorization.

1206400528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75400041 (or 75400035 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1206400528 is about 34733.2769545288. The cubic root of 1206400528 is about 1064.5445466672.

Adding to 1206400528 its reverse (8250046021), we get a palindrome (9456446549).

The spelling of 1206400528 in words is "one billion, two hundred six million, four hundred thousand, five hundred twenty-eight".