1206400527 has 8 divisors (see below), whose sum is σ = 1787260080. Its totient is φ = 804267000.

The previous prime is 1206400511. The next prime is 1206400537. The reversal of 1206400527 is 7250046021.

1206400527 is a `hidden beast` number, since 1 + 206 + 400 + 52 + 7 = 666.

It is not a de Polignac number, because 1206400527 - 2⁴ = 1206400511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 44681501 = 1206400527 / (1 + 2 + 0 + 6 + 4 + 0 + 0 + 5 + 2 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 1206400527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206400537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22340724 + ... + 22340777.

It is an arithmetic number, because the mean of its divisors is an integer number (223407510).

Almost surely, 2^1206400527 is an apocalyptic number.

1206400527 is a deficient number, since it is larger than the sum of its proper divisors (580859553).

1206400527 is an equidigital number, since it uses as much as digits as its factorization.

1206400527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44681510 (or 44681504 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1206400527 is about 34733.2769401334. The cubic root of 1206400527 is about 1064.5445463731.

Adding to 1206400527 its reverse (7250046021), we get a palindrome (8456446548).

The spelling of 1206400527 in words is "one billion, two hundred six million, four hundred thousand, five hundred twenty-seven".