1350261 has 24 divisors (see below), whose sum is σ = 2223936. Its totient is φ = 781440.

The previous prime is 1350257. The next prime is 1350277. The reversal of 1350261 is 1620531.

It is not a de Polignac number, because 1350261 - 2² = 1350257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1981 + ... + 2573.

It is an arithmetic number, because the mean of its divisors is an integer number (92664).

2^1350261 is an apocalyptic number.

1350261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1350261 is a deficient number, since it is larger than the sum of its proper divisors (873675).

1350261 is a wasteful number, since it uses less digits than its factorization.

1350261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1350261 is about 1162.0073149512. The cubic root of 1350261 is about 110.5280669612.

Adding to 1350261 its reverse (1620531), we get a palindrome (2970792).

The spelling of 1350261 in words is "one million, three hundred fifty thousand, two hundred sixty-one".