1427202128 has 80 divisors (see below), whose sum is σ = 3123550080. Its totient is φ = 626073600.

The previous prime is 1427202113. The next prime is 1427202167. The reversal of 1427202128 is 8212027241.

It is a self number, because there is not a number n which added to its sum of digits gives 1427202128.

It is a congruent number.

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, 698933 + ... + 700971.

It is an arithmetic number, because the mean of its divisors is an integer number (39044376).

Almost surely, 2^1427202128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427202128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561775040).

1427202128 is an abundant number, since it is smaller than the sum of its proper divisors (1696347952).

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

1427202128 is a wasteful number, since it uses less digits than its factorization.

1427202128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196 (or 2190 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 1427202128 is about 37778.3288142819. The cubic root of 1427202128 is about 1125.8879253101.

Adding to 1427202128 its reverse (8212027241), we get a palindrome (9639229369).

The spelling of 1427202128 in words is "one billion, four hundred twenty-seven million, two hundred two thousand, one hundred twenty-eight".