1001481 has 8 divisors (see below), whose sum is σ = 1438080. Its totient is φ = 616272.

The previous prime is 1001467. The next prime is 1001491. The reversal of 1001481 is 1841001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001481 - 2⁷ = 1001353 is a prime.

It is a super-2 number, since 2×1001481² = 2005928386722, which contains 22 as substring.

1001481 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001481.

It is not an unprimeable number, because it can be changed into a prime (1001401) 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, 12801 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (179760).

2^1001481 is an apocalyptic number.

It is an amenable number.

1001481 is a deficient number, since it is larger than the sum of its proper divisors (436599).

1001481 is a wasteful number, since it uses less digits than its factorization.

1001481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25695.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1001481 is about 1000.7402260327. The cubic root of 1001481 is about 100.0493423160.

Adding to 1001481 its reverse (1841001), we get a palindrome (2842482).

The spelling of 1001481 in words is "one million, one thousand, four hundred eighty-one".