1348771220 has 36 divisors (see below), whose sum is σ = 2894060820. Its totient is φ = 528012288.

The previous prime is 1348771213. The next prime is 1348771243. The reversal of 1348771220 is 221778431.

It can be written as a sum of positive squares in 2 ways, for example, as 158659216 + 1190112004 = 12596^2 + 34498^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28916 + ... + 59444.

Almost surely, 2^1348771220 is an apocalyptic number.

1348771220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1348771220 is an abundant number, since it is smaller than the sum of its proper divisors (1545289600).

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

1348771220 is a wasteful number, since it uses less digits than its factorization.

1348771220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30632 (or 30583 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1348771220 is about 36725.6207571771. The cubic root of 1348771220 is about 1104.8740245268.

The spelling of 1348771220 in words is "one billion, three hundred forty-eight million, seven hundred seventy-one thousand, two hundred twenty".