1427259872 has 12 divisors (see below), whose sum is σ = 2809917936. Its totient is φ = 713629920.

The previous prime is 1427259851. The next prime is 1427259881. The reversal of 1427259872 is 2789527241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22300904 + ... + 22300967.

It is an arithmetic number, because the mean of its divisors is an integer number (234159828).

Almost surely, 2^1427259872 is an apocalyptic number.

It is an amenable number.

1427259872 is a deficient number, since it is larger than the sum of its proper divisors (1382658064).

1427259872 is an equidigital number, since it uses as much as digits as its factorization.

1427259872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44601881 (or 44601873 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 1427259872 is about 37779.0930542278. The cubic root of 1427259872 is about 1125.9031094232.

The spelling of 1427259872 in words is "one billion, four hundred twenty-seven million, two hundred fifty-nine thousand, eight hundred seventy-two".