1039261 has 8 divisors (see below), whose sum is σ = 1112184. Its totient is φ = 967680.

The previous prime is 1039249. The next prime is 1039279. The reversal of 1039261 is 1629301.

It can be written as a sum of positive squares in 4 ways, for example, as 27225 + 1012036 = 165^2 + 1006^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1039261 - 2⁵ = 1039229 is a prime.

It is a super-2 number, since 2×1039261² = 2160126852242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036261) 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, 1651 + ... + 2191.

It is an arithmetic number, because the mean of its divisors is an integer number (139023).

2^1039261 is an apocalyptic number.

It is an amenable number.

1039261 is a deficient number, since it is larger than the sum of its proper divisors (72923).

1039261 is a wasteful number, since it uses less digits than its factorization.

1039261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1039261 is about 1019.4415137711. The cubic root of 1039261 is about 101.2919371060.

The spelling of 1039261 in words is "one million, thirty-nine thousand, two hundred sixty-one".