1310420 has 12 divisors (see below), whose sum is σ = 2751924. Its totient is φ = 524160.

The previous prime is 1310417. The next prime is 1310431. The reversal of 1310420 is 240131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 698896 = 782^2 + 836^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32741 + ... + 32780.

It is an arithmetic number, because the mean of its divisors is an integer number (229327).

2^1310420 is an apocalyptic number.

1310420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310420 is an abundant number, since it is smaller than the sum of its proper divisors (1441504).

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

1310420 is a wasteful number, since it uses less digits than its factorization.

1310420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65530 (or 65528 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1310420 is about 1144.7357773740. The cubic root of 1310420 is about 109.4301104583.

Adding to 1310420 its reverse (240131), we get a palindrome (1550551).

It can be divided in two parts, 13 and 10420, that multiplied together give a triangular number (135460 = T₅₂₀).

The spelling of 1310420 in words is "one million, three hundred ten thousand, four hundred twenty".