1252042260 has 384 divisors, whose sum is σ = 4471455744. Its totient is φ = 255467520.

The previous prime is 1252042219. The next prime is 1252042261. The reversal of 1252042260 is 622402521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252042260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252042261) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 11079964 + ... + 11080076.

It is an arithmetic number, because the mean of its divisors is an integer number (11644416).

Almost surely, 2^1252042260 is an apocalyptic number.

1252042260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252042260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235727872).

1252042260 is an abundant number, since it is smaller than the sum of its proper divisors (3219413484).

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

1252042260 is a wasteful number, since it uses less digits than its factorization.

1252042260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1252042260 is about 35384.2091899763. The cubic root of 1252042260 is about 1077.8036812502.

Adding to 1252042260 its reverse (622402521), we get a palindrome (1874444781).

The spelling of 1252042260 in words is "one billion, two hundred fifty-two million, forty-two thousand, two hundred sixty".