1420441252 has 6 divisors (see below), whose sum is σ = 2485772198. Its totient is φ = 710220624.

The previous prime is 1420441249. The next prime is 1420441259. The reversal of 1420441252 is 2521440241.

It can be written as a sum of positive squares in only one way, i.e., 1414211236 + 6230016 = 37606^2 + 2496^2 .

It is not an unprimeable number, because it can be changed into a prime (1420441259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177555153 + ... + 177555160.

Almost surely, 2^1420441252 is an apocalyptic number.

It is an amenable number.

1420441252 is a deficient number, since it is larger than the sum of its proper divisors (1065330946).

1420441252 is a wasteful number, since it uses less digits than its factorization.

1420441252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355110317 (or 355110315 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1420441252 is about 37688.7417142043. The cubic root of 1420441252 is about 1124.1072758475.

Adding to 1420441252 its reverse (2521440241), we get a palindrome (3941881493).

The spelling of 1420441252 in words is "one billion, four hundred twenty million, four hundred forty-one thousand, two hundred fifty-two".