1401742 has 4 divisors (see below), whose sum is σ = 2102616. Its totient is φ = 700870.

The previous prime is 1401739. The next prime is 1401761. The reversal of 1401742 is 2471041.

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

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 as a sum of consecutive naturals, namely, 350434 + ... + 350437.

It is an arithmetic number, because the mean of its divisors is an integer number (525654).

2^1401742 is an apocalyptic number.

1401742 is a deficient number, since it is larger than the sum of its proper divisors (700874).

1401742 is an equidigital number, since it uses as much as digits as its factorization.

1401742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700873.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1401742 is about 1183.9518571293. The cubic root of 1401742 is about 111.9152739326.

Adding to 1401742 its reverse (2471041), we get a palindrome (3872783).

The spelling of 1401742 in words is "one million, four hundred one thousand, seven hundred forty-two".