1252412450 has 48 divisors (see below), whose sum is σ = 2367873000. Its totient is φ = 492771840.

The previous prime is 1252412449. The next prime is 1252412459. The reversal of 1252412450 is 542142521.

It can be written as a sum of positive squares in 12 ways, for example, as 495997441 + 756415009 = 22271^2 + 27503^2 .

It is not an unprimeable number, because it can be changed into a prime (1252412459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1018436 + ... + 1019664.

Almost surely, 2^1252412450 is an apocalyptic number.

1252412450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252412450 is a deficient number, since it is larger than the sum of its proper divisors (1115460550).

1252412450 is a wasteful number, since it uses less digits than its factorization.

1252412450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1252412450 is about 35389.4398090730. The cubic root of 1252412450 is about 1077.9098951379.

Adding to 1252412450 its reverse (542142521), we get a palindrome (1794554971).

The spelling of 1252412450 in words is "one billion, two hundred fifty-two million, four hundred twelve thousand, four hundred fifty".