1252004250 has 64 divisors (see below), whose sum is σ = 3571446528. Its totient is φ = 286171200.

The previous prime is 1252004233. The next prime is 1252004291. The reversal of 1252004250 is 524002521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113989 + ... + 124488.

It is an arithmetic number, because the mean of its divisors is an integer number (55803852).

Almost surely, 2^1252004250 is an apocalyptic number.

1252004250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252004250 is an abundant number, since it is smaller than the sum of its proper divisors (2319442278).

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

1252004250 is a wasteful number, since it uses less digits than its factorization.

1252004250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238504 (or 238494 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1252004250 is about 35383.6720819081. The cubic root of 1252004250 is about 1077.7927743413.

Adding to 1252004250 its reverse (524002521), we get a palindrome (1776006771).

The spelling of 1252004250 in words is "one billion, two hundred fifty-two million, four thousand, two hundred fifty".