1299141 has 6 divisors (see below), whose sum is σ = 1876550. Its totient is φ = 866088.

The previous prime is 1299101. The next prime is 1299143. The reversal of 1299141 is 1419921.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 152100 = 1071^2 + 390^2 .

It is not a de Polignac number, because 1299141 - 2⁷ = 1299013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299143) 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 5 ways as a sum of consecutive naturals, for example, 72166 + ... + 72183.

2^1299141 is an apocalyptic number.

It is an amenable number.

1299141 is a deficient number, since it is larger than the sum of its proper divisors (577409).

1299141 is a wasteful number, since it uses less digits than its factorization.

1299141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144355 (or 144352 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1299141 is about 1139.7986664319. The cubic root of 1299141 is about 109.1152443816.

The spelling of 1299141 in words is "one million, two hundred ninety-nine thousand, one hundred forty-one".