1301928 has 32 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 408320.

The previous prime is 1301921. The next prime is 1301929. The reversal of 1301928 is 8291031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1301898 and 1301907.

It is not an unprimeable number, because it can be changed into a prime (1301921) 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, 1188 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (107730).

2^1301928 is an apocalyptic number.

It is an amenable number.

1301928 is an abundant number, since it is smaller than the sum of its proper divisors (2145432).

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

1301928 is a wasteful number, since it uses less digits than its factorization.

1301928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1301928 is about 1141.0205957826. The cubic root of 1301928 is about 109.1932156421.

Adding to 1301928 its reverse (8291031), we get a palindrome (9592959).

The spelling of 1301928 in words is "one million, three hundred one thousand, nine hundred twenty-eight".