1401142 has 4 divisors (see below), whose sum is σ = 2101716. Its totient is φ = 700570.

The previous prime is 1401139. The next prime is 1401151. The reversal of 1401142 is 2411041.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350284 + ... + 350287.

It is an arithmetic number, because the mean of its divisors is an integer number (525429).

2^1401142 is an apocalyptic number.

1401142 is a deficient number, since it is larger than the sum of its proper divisors (700574).

1401142 is an equidigital number, since it uses as much as digits as its factorization.

1401142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700573.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1401142 is about 1183.6984413270. The cubic root of 1401142 is about 111.8993036262.

Adding to 1401142 its reverse (2411041), we get a palindrome (3812183).

The spelling of 1401142 in words is "one million, four hundred one thousand, one hundred forty-two".