1301872 has 40 divisors (see below), whose sum is σ = 2968560. Its totient is φ = 545280.

The previous prime is 1301863. The next prime is 1301879. The reversal of 1301872 is 2781031.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301879) 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, 2004 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (74214).

2^1301872 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 1301872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484280).

1301872 is an abundant number, since it is smaller than the sum of its proper divisors (1666688).

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

1301872 is a wasteful number, since it uses less digits than its factorization.

1301872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1301872 is about 1140.9960560843. The cubic root of 1301872 is about 109.1916500389.

It can be divided in two parts, 130 and 1872, that added together give a palindrome (2002).

The spelling of 1301872 in words is "one million, three hundred one thousand, eight hundred seventy-two".