1427205860 has 48 divisors (see below), whose sum is σ = 3055805760. Its totient is φ = 559785600.

The previous prime is 1427205823. The next prime is 1427205953. The reversal of 1427205860 is 685027241.

It is a self number, because there is not a number n which added to its sum of digits gives 1427205860.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304535 + ... + 309185.

It is an arithmetic number, because the mean of its divisors is an integer number (63662620).

Almost surely, 2^1427205860 is an apocalyptic number.

1427205860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427205860 is an abundant number, since it is smaller than the sum of its proper divisors (1628599900).

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

1427205860 is a wasteful number, since it uses less digits than its factorization.

1427205860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956 (or 4954 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1427205860 is about 37778.3782076468. The cubic root of 1427205860 is about 1125.8889066731. Note that the first 3 decimals are identical.

The spelling of 1427205860 in words is "one billion, four hundred twenty-seven million, two hundred five thousand, eight hundred sixty".