1420531600 has 120 divisors (see below), whose sum is σ = 3558621440. Its totient is φ = 544320000.

The previous prime is 1420531579. The next prime is 1420531603. The reversal of 1420531600 is 61350241.

It is not an unprimeable number, because it can be changed into a prime (1420531603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1351075 + ... + 1352125.

Almost surely, 2^1420531600 is an apocalyptic number.

1420531600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420531600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779310720).

1420531600 is an abundant number, since it is smaller than the sum of its proper divisors (2138089840).

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

1420531600 is a wasteful number, since it uses less digits than its factorization.

1420531600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1420531600 is about 37689.9403024202. The cubic root of 1420531600 is about 1124.1311085100.

Adding to 1420531600 its reverse (61350241), we get a palindrome (1481881841).

The spelling of 1420531600 in words is "one billion, four hundred twenty million, five hundred thirty-one thousand, six hundred".