1401053043 has 16 divisors (see below), whose sum is σ = 2018651040. Its totient is φ = 859236864.

The previous prime is 1401053021. The next prime is 1401053077. The reversal of 1401053043 is 3403501041.

It is not a de Polignac number, because 1401053043 - 2⁸ = 1401052787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1401053083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49878 + ... + 72731.

It is an arithmetic number, because the mean of its divisors is an integer number (126165690).

Almost surely, 2^1401053043 is an apocalyptic number.

1401053043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1401053043 is a deficient number, since it is larger than the sum of its proper divisors (617597997).

1401053043 is a wasteful number, since it uses less digits than its factorization.

1401053043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122918.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1401053043 is about 37430.6431016086. The cubic root of 1401053043 is about 1118.9693545392.

Adding to 1401053043 its reverse (3403501041), we get a palindrome (4804554084).

The spelling of 1401053043 in words is "one billion, four hundred one million, fifty-three thousand, forty-three".