1319481 has 6 divisors (see below), whose sum is σ = 1905930. Its totient is φ = 879648.

The previous prime is 1319477. The next prime is 1319509. The reversal of 1319481 is 1849131.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 19881 = 1140^2 + 141^2 .

It is not a de Polignac number, because 1319481 - 2² = 1319477 is a prime.

It is a super-2 number, since 2×1319481² = 3482060218722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1319401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73296 + ... + 73313.

It is an arithmetic number, because the mean of its divisors is an integer number (317655).

2^1319481 is an apocalyptic number.

It is an amenable number.

1319481 is a deficient number, since it is larger than the sum of its proper divisors (586449).

1319481 is a wasteful number, since it uses less digits than its factorization.

1319481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146615 (or 146612 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1319481 is about 1148.6866413431. The cubic root of 1319481 is about 109.6817523226.

The spelling of 1319481 in words is "one million, three hundred nineteen thousand, four hundred eighty-one".