1401053042 has 4 divisors (see below), whose sum is σ = 2101579566. Its totient is φ = 700526520.

The previous prime is 1401053021. The next prime is 1401053077. The reversal of 1401053042 is 2403501041.

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

It can be written as a sum of positive squares in only one way, i.e., 1360208161 + 40844881 = 36881^2 + 6391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350263259 + ... + 350263262.

Almost surely, 2^1401053042 is an apocalyptic number.

1401053042 is a deficient number, since it is larger than the sum of its proper divisors (700526524).

1401053042 is an equidigital number, since it uses as much as digits as its factorization.

1401053042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700526523.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1401053042 is about 37430.6430882506. The cubic root of 1401053042 is about 1118.9693542729.

Adding to 1401053042 its reverse (2403501041), we get a palindrome (3804554083).

The spelling of 1401053042 in words is "one billion, four hundred one million, fifty-three thousand, forty-two".