1427628105 has 32 divisors (see below), whose sum is σ = 2540016000. Its totient is φ = 760798656.

The previous prime is 1427628073. The next prime is 1427628109. The reversal of 1427628105 is 5018267241.

1427628105 is a `hidden beast` number, since 1 + 4 + 27 + 628 + 1 + 0 + 5 = 666.

It is not a de Polignac number, because 1427628105 - 2⁵ = 1427628073 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1427628105.

It is not an unprimeable number, because it can be changed into a prime (1427628109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205702 + ... + 212528.

It is an arithmetic number, because the mean of its divisors is an integer number (79375500).

Almost surely, 2^1427628105 is an apocalyptic number.

1427628105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1427628105 is a deficient number, since it is larger than the sum of its proper divisors (1112387895).

1427628105 is a wasteful number, since it uses less digits than its factorization.

1427628105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390 (or 8384 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1427628105 is about 37783.9662423097. The cubic root of 1427628105 is about 1125.9999287522. Note that the first 4 decimals are identical.

The spelling of 1427628105 in words is "one billion, four hundred twenty-seven million, six hundred twenty-eight thousand, one hundred five".