1072261 has 4 divisors (see below), whose sum is σ = 1080832. Its totient is φ = 1063692.

The previous prime is 1072231. The next prime is 1072301. The reversal of 1072261 is 1622701.

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.

It is a cyclic number.

It is not a de Polignac number, because 1072261 - 2⁵ = 1072229 is a prime.

It is a super-2 number, since 2×1072261² = 2299487304242, which contains 22 as substring.

It is the 1036-th Hogben number.

It is a Duffinian number.

1072261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072231) by changing a digit.

It is a nontrivial repunit in base 1035.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4095 + ... + 4348.

It is an arithmetic number, because the mean of its divisors is an integer number (270208).

2^1072261 is an apocalyptic number.

It is an amenable number.

1072261 is a deficient number, since it is larger than the sum of its proper divisors (8571).

1072261 is an equidigital number, since it uses as much as digits as its factorization.

1072261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8570.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1072261 is about 1035.5003621438. The cubic root of 1072261 is about 102.3529042158.

Adding to 1072261 its reverse (1622701), we get a palindrome (2694962).

The spelling of 1072261 in words is "one million, seventy-two thousand, two hundred sixty-one".