1225012315 has 16 divisors (see below), whose sum is σ = 1553356800. Its totient is φ = 925528032.

The previous prime is 1225012297. The next prime is 1225012357. The reversal of 1225012315 is 5132105221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225012315 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58335 + ... + 76504.

It is an arithmetic number, because the mean of its divisors is an integer number (97084800).

Almost surely, 2^1225012315 is an apocalyptic number.

1225012315 is a deficient number, since it is larger than the sum of its proper divisors (328344485).

1225012315 is a wasteful number, since it uses less digits than its factorization.

1225012315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134946.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1225012315 is about 35000.1759281293. The cubic root of 1225012315 is about 1069.9910661029.

Adding to 1225012315 its reverse (5132105221), we get a palindrome (6357117536).

The spelling of 1225012315 in words is "one billion, two hundred twenty-five million, twelve thousand, three hundred fifteen".