1420252265 has 12 divisors (see below), whose sum is σ = 1730147076. Its totient is φ = 1119225888.

The previous prime is 1420252213. The next prime is 1420252291. The reversal of 1420252265 is 5622520241.

It can be written as a sum of positive squares in 2 ways, for example, as 201753616 + 1218498649 = 14204^2 + 34907^2 .

It is not a de Polignac number, because 1420252265 - 2¹⁴ = 1420235881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9194 + ... + 54083.

It is an arithmetic number, because the mean of its divisors is an integer number (144178923).

Almost surely, 2^1420252265 is an apocalyptic number.

It is an amenable number.

1420252265 is a deficient number, since it is larger than the sum of its proper divisors (309894811).

1420252265 is an frugal number, since it uses more digits than its factorization.

1420252265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63416 (or 63349 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1420252265 is about 37686.2344231949. The cubic root of 1420252265 is about 1124.0574201932.

The spelling of 1420252265 in words is "one billion, four hundred twenty million, two hundred fifty-two thousand, two hundred sixty-five".