1401255 has 12 divisors (see below), whose sum is σ = 2428920. Its totient is φ = 747312.

The previous prime is 1401247. The next prime is 1401263. The reversal of 1401255 is 5521041.

It is an interprime number because it is at equal distance from previous prime (1401247) and next prime (1401263).

It is not a de Polignac number, because 1401255 - 2³ = 1401247 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15525 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (202410).

2^1401255 is an apocalyptic number.

1401255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401255 is a deficient number, since it is larger than the sum of its proper divisors (1027665).

1401255 is a wasteful number, since it uses less digits than its factorization.

1401255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31150 (or 31147 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1401255 is about 1183.7461721163. The cubic root of 1401255 is about 111.9023117157.

Adding to 1401255 its reverse (5521041), we get a palindrome (6922296).

The spelling of 1401255 in words is "one million, four hundred one thousand, two hundred fifty-five".