1261368 has 24 divisors (see below), whose sum is σ = 3416400. Its totient is φ = 420432.

The previous prime is 1261363. The next prime is 1261373. The reversal of 1261368 is 8631621.

It is an interprime number because it is at equal distance from previous prime (1261363) and next prime (1261373).

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1261363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8688 + ... + 8831.

It is an arithmetic number, because the mean of its divisors is an integer number (142350).

2^1261368 is an apocalyptic number.

1261368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1261368 is an abundant number, since it is smaller than the sum of its proper divisors (2155032).

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

1261368 is a wasteful number, since it uses less digits than its factorization.

1261368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17531 (or 17524 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1261368 is about 1123.1064063569. The cubic root of 1261368 is about 108.0473043804.

Adding to 1261368 its reverse (8631621), we get a palindrome (9892989).

The spelling of 1261368 in words is "one million, two hundred sixty-one thousand, three hundred sixty-eight".