1451512420 has 24 divisors (see below), whose sum is σ = 3049994304. Its totient is φ = 580258656.

The previous prime is 1451512369. The next prime is 1451512453. The reversal of 1451512420 is 242151541.

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, 14169 + ... + 55711.

It is an arithmetic number, because the mean of its divisors is an integer number (127083096).

Almost surely, 2^1451512420 is an apocalyptic number.

1451512420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451512420 is an abundant number, since it is smaller than the sum of its proper divisors (1598481884).

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

1451512420 is a wasteful number, since it uses less digits than its factorization.

1451512420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43299 (or 43297 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1451512420 is about 38098.7194010507. The cubic root of 1451512420 is about 1132.2445843664.

Adding to 1451512420 its reverse (242151541), we get a palindrome (1693663961).

The spelling of 1451512420 in words is "one billion, four hundred fifty-one million, five hundred twelve thousand, four hundred twenty".