1010261 has 4 divisors (see below), whose sum is σ = 1154592. Its totient is φ = 865932.

The previous prime is 1010237. The next prime is 1010263. The reversal of 1010261 is 1620101.

1010261 = T₁₉₈ + T₁₉₉ + ... + T₂₃₉.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1620101 = 7 ⋅231443.

It is a cyclic number.

It is not a de Polignac number, because 1010261 - 2¹⁰ = 1009237 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 (1010263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72155 + ... + 72168.

It is an arithmetic number, because the mean of its divisors is an integer number (288648).

2^1010261 is an apocalyptic number.

It is an amenable number.

1010261 is a deficient number, since it is larger than the sum of its proper divisors (144331).

1010261 is an equidigital number, since it uses as much as digits as its factorization.

1010261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144330.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1010261 is about 1005.1174060775. The cubic root of 1010261 is about 100.3408700889.

Adding to 1010261 its reverse (1620101), we get a palindrome (2630362).

The spelling of 1010261 in words is "one million, ten thousand, two hundred sixty-one".