1302981 has 8 divisors (see below), whose sum is σ = 1774464. Its totient is φ = 850080.

The previous prime is 1302953. The next prime is 1302991. The reversal of 1302981 is 1892031.

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

It is not a de Polignac number, because 1302981 - 2¹⁰ = 1301957 is a prime.

It is a super-2 number, since 2×1302981² = 3395518972722, which contains 22 as substring.

1302981 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4480 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (221808).

2^1302981 is an apocalyptic number.

It is an amenable number.

1302981 is a deficient number, since it is larger than the sum of its proper divisors (471483).

1302981 is an equidigital number, since it uses as much as digits as its factorization.

1302981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291.

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

The square root of 1302981 is about 1141.4819315259. The cubic root of 1302981 is about 109.2226462176. Note that the first 3 decimals are identical.

The spelling of 1302981 in words is "one million, three hundred two thousand, nine hundred eighty-one".