1210725263 has 8 divisors (see below), whose sum is σ = 1366336080. Its totient is φ = 1062705280.

The previous prime is 1210725251. The next prime is 1210725289. The reversal of 1210725263 is 3625270121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1210725263 - 2⁴ = 1210725247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210725463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897370 + ... + 1898007.

It is an arithmetic number, because the mean of its divisors is an integer number (170792010).

Almost surely, 2^1210725263 is an apocalyptic number.

1210725263 is a deficient number, since it is larger than the sum of its proper divisors (155610817).

1210725263 is a wasteful number, since it uses less digits than its factorization.

1210725263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795417.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1210725263 is about 34795.4776228176. The cubic root of 1210725263 is about 1065.8150983410.

Adding to 1210725263 its reverse (3625270121), we get a palindrome (4835995384).

The spelling of 1210725263 in words is "one billion, two hundred ten million, seven hundred twenty-five thousand, two hundred sixty-three".