1261134 has 24 divisors (see below), whose sum is σ = 3123120. Its totient is φ = 360288.

The previous prime is 1261133. The next prime is 1261157. The reversal of 1261134 is 4311621.

1261134 = 560² + 561² + ... + 563².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

1261134 is a modest number, since divided by 1134 gives 126 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1261133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4879 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (130130).

2^1261134 is an apocalyptic number.

1261134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1261134 is an abundant number, since it is smaller than the sum of its proper divisors (1861986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1261134 is a wasteful number, since it uses less digits than its factorization.

1261134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10024 (or 10021 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1261134 is about 1123.0022261777. The cubic root of 1261134 is about 108.0406225786.

Adding to 1261134 its reverse (4311621), we get a palindrome (5572755).

It can be divided in two parts, 126 and 1134, that multiplied together give a square (142884 = 378²).

The spelling of 1261134 in words is "one million, two hundred sixty-one thousand, one hundred thirty-four".