1380122500 has 45 divisors (see below), whose sum is σ = 3022119331. Its totient is φ = 551306000.

The previous prime is 1380122477. The next prime is 1380122501. The reversal of 1380122500 is 52210831.

The square root of 1380122500 is 37150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 108201604 + 1271920896 = 10402^2 + 35664^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1380122501) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1857129 + ... + 1857871.

Almost surely, 2^1380122500 is an apocalyptic number.

1380122500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1380122500 is the 37150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380122500

1380122500 is an abundant number, since it is smaller than the sum of its proper divisors (1641996831).

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

1380122500 is an frugal number, since it uses more digits than its factorization.

1380122500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The cubic root of 1380122500 is about 1113.3692234676.

The spelling of 1380122500 in words is "one billion, three hundred eighty million, one hundred twenty-two thousand, five hundred".