1402120441 has 8 divisors (see below), whose sum is σ = 1508936904. Its totient is φ = 1298008320.

The previous prime is 1402120397. The next prime is 1402120451. The reversal of 1402120441 is 1440212041.

It can be written as a sum of positive squares in 4 ways, for example, as 439321600 + 962798841 = 20960^2 + 31029^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1402120441 - 2²⁵ = 1368566009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402120451) 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, 675010 + ... + 677083.

It is an arithmetic number, because the mean of its divisors is an integer number (188617113).

Almost surely, 2^1402120441 is an apocalyptic number.

It is an amenable number.

1402120441 is a deficient number, since it is larger than the sum of its proper divisors (106816463).

1402120441 is a wasteful number, since it uses less digits than its factorization.

1402120441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352171.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1402120441 is about 37444.8987313359. The cubic root of 1402120441 is about 1119.2534462014.

Adding to 1402120441 its reverse (1440212041), we get a palindrome (2842332482).

The spelling of 1402120441 in words is "one billion, four hundred two million, one hundred twenty thousand, four hundred forty-one".