1225314515 has 8 divisors (see below), whose sum is σ = 1471019568. Its totient is φ = 979823520.

The previous prime is 1225314509. The next prime is 1225314523. The reversal of 1225314515 is 5154135221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1225314515 - 2⁴ = 1225314499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40637 + ... + 64046.

It is an arithmetic number, because the mean of its divisors is an integer number (183877446).

Almost surely, 2^1225314515 is an apocalyptic number.

1225314515 is a deficient number, since it is larger than the sum of its proper divisors (245705053).

1225314515 is a wasteful number, since it uses less digits than its factorization.

1225314515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107029.

The product of its digits is 6000, while the sum is 29.

The square root of 1225314515 is about 35004.4927830700. The cubic root of 1225314515 is about 1070.0790447326.

Adding to 1225314515 its reverse (5154135221), we get a palindrome (6379449736).

The spelling of 1225314515 in words is "one billion, two hundred twenty-five million, three hundred fourteen thousand, five hundred fifteen".