1401135 has 16 divisors (see below), whose sum is σ = 2319840. Its totient is φ = 721280.

The previous prime is 1401131. The next prime is 1401139. The reversal of 1401135 is 5311041.

It is an interprime number because it is at equal distance from previous prime (1401131) and next prime (1401139).

It is not a de Polignac number, because 1401135 - 2² = 1401131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1401135 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401131) 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 15 ways as a sum of consecutive naturals, for example, 1176 + ... + 2045.

It is an arithmetic number, because the mean of its divisors is an integer number (144990).

2^1401135 is an apocalyptic number.

1401135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401135 is a deficient number, since it is larger than the sum of its proper divisors (918705).

1401135 is a wasteful number, since it uses less digits than its factorization.

1401135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1401135 is about 1183.6954844891. The cubic root of 1401135 is about 111.8991172791.

Adding to 1401135 its reverse (5311041), we get a palindrome (6712176).

It can be divided in two parts, 140 and 1135, that added together give a triangular number (1275 = T₅₀).

The spelling of 1401135 in words is "one million, four hundred one thousand, one hundred thirty-five".