1402001441 has 8 divisors (see below), whose sum is σ = 1488458664. Its totient is φ = 1315987200.

The previous prime is 1402001417. The next prime is 1402001453. The reversal of 1402001441 is 1441002041.

It can be written as a sum of positive squares in 4 ways, for example, as 125440000 + 1276561441 = 11200^2 + 35729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1402001441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1402004441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104210 + ... + 116891.

It is an arithmetic number, because the mean of its divisors is an integer number (186057333).

Almost surely, 2^1402001441 is an apocalyptic number.

It is an amenable number.

1402001441 is a deficient number, since it is larger than the sum of its proper divisors (86457223).

1402001441 is a wasteful number, since it uses less digits than its factorization.

1402001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221491.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1402001441 is about 37443.3096961260. The cubic root of 1402001441 is about 1119.2217810832.

Adding to 1402001441 its reverse (1441002041), we get a palindrome (2843003482).

The spelling of 1402001441 in words is "one billion, four hundred two million, one thousand, four hundred forty-one".