28152126 has 12 divisors (see below), whose sum is σ = 60996312. Its totient is φ = 9384036.

The previous prime is 28152121. The next prime is 28152133. The reversal of 28152126 is 62125182.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28152126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28152121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 781986 + ... + 782021.

It is an arithmetic number, because the mean of its divisors is an integer number (5083026).

Almost surely, 2^28152126 is an apocalyptic number.

28152126 is an abundant number, since it is smaller than the sum of its proper divisors (32844186).

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

28152126 is a wasteful number, since it uses less digits than its factorization.

28152126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564015 (or 1564012 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 28152126 is about 5305.8577063468. The cubic root of 28152126 is about 304.2078377330.

The spelling of 28152126 in words is "twenty-eight million, one hundred fifty-two thousand, one hundred twenty-six".