1161262 has 4 divisors (see below), whose sum is σ = 1741896. Its totient is φ = 580630.

The previous prime is 1161241. The next prime is 1161263. The reversal of 1161262 is 2621611.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290314 + ... + 290317.

It is an arithmetic number, because the mean of its divisors is an integer number (435474).

2^1161262 is an apocalyptic number.

1161262 is a deficient number, since it is larger than the sum of its proper divisors (580634).

1161262 is an equidigital number, since it uses as much as digits as its factorization.

1161262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580633.

The product of its digits is 144, while the sum is 19.

The square root of 1161262 is about 1077.6186709593. The cubic root of 1161262 is about 105.1098472488.

Adding to 1161262 its reverse (2621611), we get a palindrome (3782873).

It can be divided in two parts, 116 and 1262, that added together give a triangular number (1378 = T₅₂).

The spelling of 1161262 in words is "one million, one hundred sixty-one thousand, two hundred sixty-two".