1206400526 has 16 divisors (see below), whose sum is σ = 1895861760. Its totient is φ = 575027640.

The previous prime is 1206400511. The next prime is 1206400537. The reversal of 1206400526 is 6250046021.

It is a junction number, because it is equal to n+sod(n) for n = 1206400495 and 1206400504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141056 + ... + 149363.

It is an arithmetic number, because the mean of its divisors is an integer number (118491360).

Almost surely, 2^1206400526 is an apocalyptic number.

1206400526 is a deficient number, since it is larger than the sum of its proper divisors (689461234).

1206400526 is a wasteful number, since it uses less digits than its factorization.

1206400526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290519.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1206400526 is about 34733.2769257379. The cubic root of 1206400526 is about 1064.5445460790.

Adding to 1206400526 its reverse (6250046021), we get a palindrome (7456446547).

The spelling of 1206400526 in words is "one billion, two hundred six million, four hundred thousand, five hundred twenty-six".