1355955 has 8 divisors (see below), whose sum is σ = 2169552. Its totient is φ = 723168.

The previous prime is 1355947. The next prime is 1355957. The reversal of 1355955 is 5595531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1355955 - 2³ = 1355947 is a prime.

It is a super-3 number, since 3×1355955³ = 7479233384632826625, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1355957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45184 + ... + 45213.

It is an arithmetic number, because the mean of its divisors is an integer number (271194).

2^1355955 is an apocalyptic number.

1355955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355955 is a deficient number, since it is larger than the sum of its proper divisors (813597).

1355955 is an equidigital number, since it uses as much as digits as its factorization.

1355955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90405.

The product of its digits is 16875, while the sum is 33.

The square root of 1355955 is about 1164.4548080540. The cubic root of 1355955 is about 110.6832133208.

The spelling of 1355955 in words is "one million, three hundred fifty-five thousand, nine hundred fifty-five".