1252615424 has 36 divisors (see below), whose sum is σ = 2553561024. Its totient is φ = 612976128.

The previous prime is 1252615423. The next prime is 1252615439. The reversal of 1252615424 is 4245162521.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252615423) 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 3 ways as a sum of consecutive naturals, for example, 40022 + ... + 64085.

Almost surely, 2^1252615424 is an apocalyptic number.

It is an amenable number.

1252615424 is an abundant number, since it is smaller than the sum of its proper divisors (1300945600).

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

1252615424 is an equidigital number, since it uses as much as digits as its factorization.

1252615424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104170 (or 104156 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 1252615424 is about 35392.3074127698. The cubic root of 1252615424 is about 1077.9681229911.

Adding to 1252615424 its reverse (4245162521), we get a palindrome (5497777945).

The spelling of 1252615424 in words is "one billion, two hundred fifty-two million, six hundred fifteen thousand, four hundred twenty-four".