1428007106 has 16 divisors (see below), whose sum is σ = 2269080216. Its totient is φ = 671686656.

The previous prime is 1428007039. The next prime is 1428007109. The reversal of 1428007106 is 6017008241.

It can be written as a sum of positive squares in 4 ways, for example, as 1370110225 + 57896881 = 37015^2 + 7609^2 .

It is not an unprimeable number, because it can be changed into a prime (1428007109) 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, 73490 + ... + 90866.

Almost surely, 2^1428007106 is an apocalyptic number.

1428007106 is a deficient number, since it is larger than the sum of its proper divisors (841073110).

1428007106 is a wasteful number, since it uses less digits than its factorization.

1428007106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19813.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1428007106 is about 37788.9812776158. The cubic root of 1428007106 is about 1126.0995619220.

The spelling of 1428007106 in words is "one billion, four hundred twenty-eight million, seven thousand, one hundred six".