1500072122 has 16 divisors (see below), whose sum is σ = 2259121320. Its totient is φ = 747038208.

The previous prime is 1500072107. The next prime is 1500072131. The reversal of 1500072122 is 2212700051.

It can be written as a sum of positive squares in 4 ways, for example, as 1452448321 + 47623801 = 38111^2 + 6901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1500072094 and 1500072103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798248 + ... + 800124.

Almost surely, 2^1500072122 is an apocalyptic number.

1500072122 is a deficient number, since it is larger than the sum of its proper divisors (759049198).

1500072122 is a wasteful number, since it uses less digits than its factorization.

1500072122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1500072122 is about 38730.7645418987. The cubic root of 1500072122 is about 1144.7325887217.

Adding to 1500072122 its reverse (2212700051), we get a palindrome (3712772173).

The spelling of 1500072122 in words is "one billion, five hundred million, seventy-two thousand, one hundred twenty-two".