1225375015 has 8 divisors (see below), whose sum is σ = 1494556128. Its totient is φ = 964229280.

The previous prime is 1225375003. The next prime is 1225375027. The reversal of 1225375015 is 5105735221.

It is an interprime number because it is at equal distance from previous prime (1225375003) and next prime (1225375027).

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

It is a de Polignac number, because none of the positive numbers 2^k-1225375015 is a prime.

It is a Duffinian number.

It is a congruent 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, 2008507 + ... + 2009116.

It is an arithmetic number, because the mean of its divisors is an integer number (186819516).

Almost surely, 2^1225375015 is an apocalyptic number.

1225375015 is a deficient number, since it is larger than the sum of its proper divisors (269181113).

1225375015 is an equidigital number, since it uses as much as digits as its factorization.

1225375015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017689.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 1225375015 is about 35005.3569471874. The cubic root of 1225375015 is about 1070.0966561883.

The spelling of 1225375015 in words is "one billion, two hundred twenty-five million, three hundred seventy-five thousand, fifteen".