1038261 has 16 divisors (see below), whose sum is σ = 1616000. Its totient is φ = 592704.

The previous prime is 1038259. The next prime is 1038263. The reversal of 1038261 is 1628301.

It is an interprime number because it is at equal distance from previous prime (1038259) and next prime (1038263).

It is not a de Polignac number, because 1038261 - 2¹ = 1038259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (101000).

2^1038261 is an apocalyptic number.

It is an amenable number.

1038261 is a deficient number, since it is larger than the sum of its proper divisors (577739).

1038261 is an equidigital number, since it uses as much as digits as its factorization.

1038261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1038261 is about 1018.9509311051. The cubic root of 1038261 is about 101.2594382301.

The spelling of 1038261 in words is "one million, thirty-eight thousand, two hundred sixty-one".