1401210452 has 6 divisors (see below), whose sum is σ = 2452118298. Its totient is φ = 700605224.

The previous prime is 1401210409. The next prime is 1401210497. The reversal of 1401210452 is 2540121041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1360429456 + 40780996 = 36884^2 + 6386^2 .

It is a congruent number.

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, 175151303 + ... + 175151310.

It is an arithmetic number, because the mean of its divisors is an integer number (408686383).

Almost surely, 2^1401210452 is an apocalyptic number.

It is an amenable number.

1401210452 is a deficient number, since it is larger than the sum of its proper divisors (1050907846).

1401210452 is a wasteful number, since it uses less digits than its factorization.

1401210452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350302617 (or 350302615 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1401210452 is about 37432.7457181543. The cubic root of 1401210452 is about 1119.0112585561.

Adding to 1401210452 its reverse (2540121041), we get a palindrome (3941331493).

The spelling of 1401210452 in words is "one billion, four hundred one million, two hundred ten thousand, four hundred fifty-two".