1254023125 has 10 divisors (see below), whose sum is σ = 1567028078. Its totient is φ = 1003218000.

The previous prime is 1254023063. The next prime is 1254023231. The reversal of 1254023125 is 5213204521.

It can be written as a sum of positive squares in 5 ways, for example, as 479347236 + 774675889 = 21894^2 + 27833^2 .

It is not a de Polignac number, because 1254023125 - 2⁹ = 1254022613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1254023125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1002594 + ... + 1003843.

Almost surely, 2^1254023125 is an apocalyptic number.

It is an amenable number.

1254023125 is a deficient number, since it is larger than the sum of its proper divisors (313004953).

1254023125 is an frugal number, since it uses more digits than its factorization.

1254023125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006457 (or 2006442 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1254023125 is about 35412.1889326260. The cubic root of 1254023125 is about 1078.3717820568.

Adding to 1254023125 its reverse (5213204521), we get a palindrome (6467227646).

The spelling of 1254023125 in words is "one billion, two hundred fifty-four million, twenty-three thousand, one hundred twenty-five".