1300453620 has 24 divisors (see below), whose sum is σ = 3641270304. Its totient is φ = 346787616.

The previous prime is 1300453619. The next prime is 1300453631. The reversal of 1300453620 is 263540031.

It is a happy number.

It is a super-2 number, since 2×1300453620² = 3382359235542208800, which contains 22 as substring.

It is a congruent number.

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, 10837054 + ... + 10837173.

It is an arithmetic number, because the mean of its divisors is an integer number (151719596).

Almost surely, 2^1300453620 is an apocalyptic number.

1300453620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300453620 is an abundant number, since it is smaller than the sum of its proper divisors (2340816684).

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

1300453620 is a wasteful number, since it uses less digits than its factorization.

1300453620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21674239 (or 21674237 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1300453620 is about 36061.8027835548. The cubic root of 1300453620 is about 1091.5198112834.

Adding to 1300453620 its reverse (263540031), we get a palindrome (1563993651).

The spelling of 1300453620 in words is "one billion, three hundred million, four hundred fifty-three thousand, six hundred twenty".