1401211442 has 4 divisors (see below), whose sum is σ = 2101817166. Its totient is φ = 700605720.

The previous prime is 1401211429. The next prime is 1401211499. The reversal of 1401211442 is 2441121041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2441121041 = 701 ⋅3482341.

It can be written as a sum of positive squares in only one way, i.e., 1114958881 + 286252561 = 33391^2 + 16919^2 .

It is a super-3 number, since 3×1401211442³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350302859 + ... + 350302862.

Almost surely, 2^1401211442 is an apocalyptic number.

1401211442 is a deficient number, since it is larger than the sum of its proper divisors (700605724).

1401211442 is an equidigital number, since it uses as much as digits as its factorization.

1401211442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700605723.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1401211442 is about 37432.7589418680. The cubic root of 1401211442 is about 1119.0115220951.

Adding to 1401211442 its reverse (2441121041), we get a palindrome (3842332483).

The spelling of 1401211442 in words is "one billion, four hundred one million, two hundred eleven thousand, four hundred forty-two".