1031261 has 16 divisors (see below), whose sum is σ = 1313280. Its totient is φ = 786480.

The previous prime is 1031231. The next prime is 1031267. The reversal of 1031261 is 1621301.

It is a cyclic number.

It is not a de Polignac number, because 1031261 - 2¹⁴ = 1014877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031267) 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, 4430 + ... + 4656.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2^1031261 is an apocalyptic number.

1031261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1031261 is a deficient number, since it is larger than the sum of its proper divisors (282019).

1031261 is a wasteful number, since it uses less digits than its factorization.

1031261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1031261 is about 1015.5102165907. The cubic root of 1031261 is about 101.0313597356.

Adding to 1031261 its reverse (1621301), we get a palindrome (2652562).

The spelling of 1031261 in words is "one million, thirty-one thousand, two hundred sixty-one".