1401051 has 4 divisors (see below), whose sum is σ = 1868072. Its totient is φ = 934032.

The previous prime is 1401031. The next prime is 1401053. The reversal of 1401051 is 1501041.

It is a happy number.

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

It is not a de Polignac number, because 1401051 - 2⁷ = 1400923 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401053) 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 3 ways as a sum of consecutive naturals, for example, 233506 + ... + 233511.

It is an arithmetic number, because the mean of its divisors is an integer number (467018).

2^1401051 is an apocalyptic number.

1401051 is a deficient number, since it is larger than the sum of its proper divisors (467021).

1401051 is an equidigital number, since it uses as much as digits as its factorization.

1401051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467020.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1401051 is about 1183.6600018586. The cubic root of 1401051 is about 111.8968810649.

Adding to 1401051 its reverse (1501041), we get a palindrome (2902092).

The spelling of 1401051 in words is "one million, four hundred one thousand, fifty-one".