1420432250 has 16 divisors (see below), whose sum is σ = 2659049640. Its totient is φ = 568172800.

The previous prime is 1420432241. The next prime is 1420432271. The reversal of 1420432250 is 522340241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 351600001 + 1068832249 = 18751^2 + 32693^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2840615 + ... + 2841114.

Almost surely, 2^1420432250 is an apocalyptic number.

1420432250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420432250 is a deficient number, since it is larger than the sum of its proper divisors (1238617390).

1420432250 is an equidigital number, since it uses as much as digits as its factorization.

1420432250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5681746 (or 5681736 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1420432250 is about 37688.6222884308. The cubic root of 1420432250 is about 1124.1049011781.

Adding to 1420432250 its reverse (522340241), we get a palindrome (1942772491).

The spelling of 1420432250 in words is "one billion, four hundred twenty million, four hundred thirty-two thousand, two hundred fifty".