1451030420 has 24 divisors (see below), whose sum is σ = 3482473344. Its totient is φ = 497496096.

The previous prime is 1451030419. The next prime is 1451030453. The reversal of 1451030420 is 240301541.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1451030392 and 1451030401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5182112 + ... + 5182391.

It is an arithmetic number, because the mean of its divisors is an integer number (145103056).

Almost surely, 2^1451030420 is an apocalyptic number.

1451030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451030420 is an abundant number, since it is smaller than the sum of its proper divisors (2031442924).

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

1451030420 is a wasteful number, since it uses less digits than its factorization.

1451030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10364519 (or 10364517 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1451030420 is about 38092.3932038931. The cubic root of 1451030420 is about 1132.1192433081.

Adding to 1451030420 its reverse (240301541), we get a palindrome (1691331961).

The spelling of 1451030420 in words is "one billion, four hundred fifty-one million, thirty thousand, four hundred twenty".