1420159128 has 16 divisors (see below), whose sum is σ = 3550397880. Its totient is φ = 473386368.

The previous prime is 1420159099. The next prime is 1420159129. The reversal of 1420159128 is 8219510241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420159129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29586625 + ... + 29586672.

Almost surely, 2^1420159128 is an apocalyptic number.

It is an amenable number.

1420159128 is an abundant number, since it is smaller than the sum of its proper divisors (2130238752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420159128 is a wasteful number, since it uses less digits than its factorization.

1420159128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59173306 (or 59173302 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1420159128 is about 37684.9987130158. The cubic root of 1420159128 is about 1124.0328485902.

Adding to 1420159128 its reverse (8219510241), we get a palindrome (9639669369).

The spelling of 1420159128 in words is "one billion, four hundred twenty million, one hundred fifty-nine thousand, one hundred twenty-eight".