1400055 has 8 divisors (see below), whose sum is σ = 2240112. Its totient is φ = 746688.

The previous prime is 1400051. The next prime is 1400081. The reversal of 1400055 is 5500041.

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

It is not a de Polignac number, because 1400055 - 2² = 1400051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 93337 = 1400055 / (1 + 4 + 0 + 0 + 0 + 5 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400051) 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, 46654 + ... + 46683.

It is an arithmetic number, because the mean of its divisors is an integer number (280014).

2^1400055 is an apocalyptic number.

1400055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1400055 is a deficient number, since it is larger than the sum of its proper divisors (840057).

1400055 is an equidigital number, since it uses as much as digits as its factorization.

1400055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93345.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1400055 is about 1183.2391981337. The cubic root of 1400055 is about 111.8703591388.

Adding to 1400055 its reverse (5500041), we get a palindrome (6900096).

The spelling of 1400055 in words is "one million, four hundred thousand, fifty-five".