1260321125 has 32 divisors (see below), whose sum is σ = 1828120320. Its totient is φ = 849537600.

The previous prime is 1260321113. The next prime is 1260321131. The reversal of 1260321125 is 5211230621.

It is not a de Polignac number, because 1260321125 - 2¹⁶ = 1260255589 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1260321125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39419 + ... + 63831.

It is an arithmetic number, because the mean of its divisors is an integer number (57128760).

Almost surely, 2^1260321125 is an apocalyptic number.

It is an amenable number.

1260321125 is a deficient number, since it is larger than the sum of its proper divisors (567799195).

1260321125 is an equidigital number, since it uses as much as digits as its factorization.

1260321125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24494 (or 24484 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1260321125 is about 35501.0017464296. The cubic root of 1260321125 is about 1080.1740474528.

Adding to 1260321125 its reverse (5211230621), we get a palindrome (6471551746).

It can be divided in two parts, 1260321 and 125, that multiplied together give a triangular number (157540125 = T₁₇₇₅₀).

The spelling of 1260321125 in words is "one billion, two hundred sixty million, three hundred twenty-one thousand, one hundred twenty-five".