1431125000 has 84 divisors (see below), whose sum is σ = 3385796505. Its totient is φ = 567100000.

The previous prime is 1431124997. The next prime is 1431125029. The reversal of 1431125000 is 5211341.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 4 ways, for example, as 244046884 + 1187078116 = 15622^2 + 34454^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=26750.

It is a self number, because there is not a number n which added to its sum of digits gives 1431125000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 13374947 + ... + 13375053.

Almost surely, 2^1431125000 is an apocalyptic number.

1431125000 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 1431125000

1431125000 is an abundant number, since it is smaller than the sum of its proper divisors (1954671505).

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

1431125000 is an frugal number, since it uses more digits than its factorization.

1431125000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1431125000 is about 37830.2127934803. The cubic root of 1431125000 is about 1126.9185370314.

Adding to 1431125000 its reverse (5211341), we get a palindrome (1436336341).

The spelling of 1431125000 in words is "one billion, four hundred thirty-one million, one hundred twenty-five thousand".