1425021306 has 16 divisors (see below), whose sum is σ = 2867529504. Its totient is φ = 472092624.

The previous prime is 1425021287. The next prime is 1425021307. The reversal of 1425021306 is 6031205241.

It is not an unprimeable number, because it can be changed into a prime (1425021307) 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, 727561 + ... + 729516.

It is an arithmetic number, because the mean of its divisors is an integer number (179220594).

Almost surely, 2^1425021306 is an apocalyptic number.

1425021306 is an abundant number, since it is smaller than the sum of its proper divisors (1442508198).

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

1425021306 is a wasteful number, since it uses less digits than its factorization.

1425021306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457245.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1425021306 is about 37749.4543801629. The cubic root of 1425021306 is about 1125.3141656905.

Adding to 1425021306 its reverse (6031205241), we get a palindrome (7456226547).

The spelling of 1425021306 in words is "one billion, four hundred twenty-five million, twenty-one thousand, three hundred six".