1310420120 has 64 divisors (see below), whose sum is σ = 3187576800. Its totient is φ = 483148800.

The previous prime is 1310420107. The next prime is 1310420123. The reversal of 1310420120 is 210240131.

It is a junction number, because it is equal to n+sod(n) for n = 1310420095 and 1310420104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310420123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4820 + ... + 51420.

Almost surely, 2^1310420120 is an apocalyptic number.

1310420120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1310420120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593788400).

1310420120 is an abundant number, since it is smaller than the sum of its proper divisors (1877156680).

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

1310420120 is a wasteful number, since it uses less digits than its factorization.

1310420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46668 (or 46664 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1310420120 is about 36199.7254133232. The cubic root of 1310420120 is about 1094.3011379859.

Adding to 1310420120 its reverse (210240131), we get a palindrome (1520660251).

The spelling of 1310420120 in words is "one billion, three hundred ten million, four hundred twenty thousand, one hundred twenty".