1252413015 has 16 divisors (see below), whose sum is σ = 2290126848. Its totient is φ = 572531616.

The previous prime is 1252412999. The next prime is 1252413017. The reversal of 1252413015 is 5103142521.

It is a happy number.

It is not a de Polignac number, because 1252413015 - 2⁴ = 1252412999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252413017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5963767 + ... + 5963976.

It is an arithmetic number, because the mean of its divisors is an integer number (143132928).

Almost surely, 2^1252413015 is an apocalyptic number.

1252413015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252413015 is a deficient number, since it is larger than the sum of its proper divisors (1037713833).

1252413015 is a wasteful number, since it uses less digits than its factorization.

1252413015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11927758.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1252413015 is about 35389.4477916794. The cubic root of 1252413015 is about 1077.9100572301.

Adding to 1252413015 its reverse (5103142521), we get a palindrome (6355555536).

The spelling of 1252413015 in words is "one billion, two hundred fifty-two million, four hundred thirteen thousand, fifteen".