1355264 has 20 divisors (see below), whose sum is σ = 2708904. Its totient is φ = 677376.

The previous prime is 1355261. The next prime is 1355267. The reversal of 1355264 is 4625531.

It is an interprime number because it is at equal distance from previous prime (1355261) and next prime (1355267).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 812 + ... + 1835.

2^1355264 is an apocalyptic number.

It is an amenable number.

1355264 is a deficient number, since it is larger than the sum of its proper divisors (1353640).

1355264 is an frugal number, since it uses more digits than its factorization.

1355264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665 (or 2649 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 1355264 is about 1164.1580648692. The cubic root of 1355264 is about 110.6644085925.

The spelling of 1355264 in words is "one million, three hundred fifty-five thousand, two hundred sixty-four".