1225501415 has 8 divisors (see below), whose sum is σ = 1475836848. Its totient is φ = 976911040.

The previous prime is 1225501411. The next prime is 1225501421. The reversal of 1225501415 is 5141055221.

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

It is not a de Polignac number, because 1225501415 - 2² = 1225501411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225501411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434717 + ... + 437526.

It is an arithmetic number, because the mean of its divisors is an integer number (184479606).

Almost surely, 2^1225501415 is an apocalyptic number.

1225501415 is a deficient number, since it is larger than the sum of its proper divisors (250335433).

1225501415 is an equidigital number, since it uses as much as digits as its factorization.

1225501415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872529.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1225501415 is about 35007.1623385844. The cubic root of 1225501415 is about 1070.1334491606.

Adding to 1225501415 its reverse (5141055221), we get a palindrome (6366556636).

The spelling of 1225501415 in words is "one billion, two hundred twenty-five million, five hundred one thousand, four hundred fifteen".