1201928 has 48 divisors (see below), whose sum is σ = 2810880. Its totient is φ = 471744.

The previous prime is 1201919. The next prime is 1201939. The reversal of 1201928 is 8291021.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9401 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (58560).

2^1201928 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 1201928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405440).

1201928 is an abundant number, since it is smaller than the sum of its proper divisors (1608952).

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

1201928 is a wasteful number, since it uses less digits than its factorization.

1201928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1201928 is about 1096.3247694000. The cubic root of 1201928 is about 106.3227377363.

Adding to 1201928 its reverse (8291021), we get a palindrome (9492949).

It can be divided in two parts, 120 and 1928, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1201928 in words is "one million, two hundred one thousand, nine hundred twenty-eight".