1301230620 has 36 divisors (see below), whose sum is σ = 3947066760. Its totient is φ = 346994784.

The previous prime is 1301230603. The next prime is 1301230631. The reversal of 1301230620 is 260321031.

1301230620 is a `hidden beast` number, since 1 + 3 + 0 + 12 + 30 + 620 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1301230620² = 3386402252851168800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1301230593 and 1301230602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3614350 + ... + 3614709.

Almost surely, 2^1301230620 is an apocalyptic number.

1301230620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301230620 is an abundant number, since it is smaller than the sum of its proper divisors (2645836140).

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

1301230620 is a wasteful number, since it uses less digits than its factorization.

1301230620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229074 (or 7229069 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1301230620 is about 36072.5743467250. The cubic root of 1301230620 is about 1091.7371564788.

Adding to 1301230620 its reverse (260321031), we get a palindrome (1561551651).

The spelling of 1301230620 in words is "one billion, three hundred one million, two hundred thirty thousand, six hundred twenty".