1301881 has 9 divisors (see below), whose sum is σ = 1523781. Its totient is φ = 1109052.

The previous prime is 1301879. The next prime is 1301887. The reversal of 1301881 is 1881031.

The square root of 1301881 is 1141.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1301881 - 2¹ = 1301879 is a prime.

It is a super-2 number, since 2×1301881² = 3389788276322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1301887) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7906 + ... + 8068.

It is an arithmetic number, because the mean of its divisors is an integer number (169309).

2^1301881 is an apocalyptic number.

1301881 is the 1141-st square number.

1301881 is the 571-st centered octagonal number.

It is an amenable number.

1301881 is a deficient number, since it is larger than the sum of its proper divisors (221900).

1301881 is an frugal number, since it uses more digits than its factorization.

1301881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The cubic root of 1301881 is about 109.1919016567.

The spelling of 1301881 in words is "one million, three hundred one thousand, eight hundred eighty-one".