1451272100 has 18 divisors (see below), whose sum is σ = 3149260674. Its totient is φ = 580508800.

The previous prime is 1451272093. The next prime is 1451272159. The reversal of 1451272100 is 12721541.

It can be written as a sum of positive squares in 3 ways, for example, as 270799936 + 1180472164 = 16456^2 + 34358^2 .

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 5 ways as a sum of consecutive naturals, for example, 7256261 + ... + 7256460.

Almost surely, 2^1451272100 is an apocalyptic number.

1451272100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451272100 is an abundant number, since it is smaller than the sum of its proper divisors (1697988574).

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

1451272100 is a wasteful number, since it uses less digits than its factorization.

1451272100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14512735 (or 14512728 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 1451272100 is about 38095.5653587133. The cubic root of 1451272100 is about 1132.1820941360.

Adding to 1451272100 its reverse (12721541), we get a palindrome (1463993641).

The spelling of 1451272100 in words is "one billion, four hundred fifty-one million, two hundred seventy-two thousand, one hundred".