1225014555 has 16 divisors (see below), whose sum is σ = 1960676640. Its totient is φ = 653123328.

The previous prime is 1225014547. The next prime is 1225014559. The reversal of 1225014555 is 5554105221.

It is not a de Polignac number, because 1225014555 - 2³ = 1225014547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225014559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39601 + ... + 63389.

It is an arithmetic number, because the mean of its divisors is an integer number (122542290).

Almost surely, 2^1225014555 is an apocalyptic number.

1225014555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1225014555 is a deficient number, since it is larger than the sum of its proper divisors (735662085).

1225014555 is a wasteful number, since it uses less digits than its factorization.

1225014555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27230.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1225014555 is about 35000.2079279538. The cubic root of 1225014555 is about 1069.9917182810.

Adding to 1225014555 its reverse (5554105221), we get a palindrome (6779119776).

The spelling of 1225014555 in words is "one billion, two hundred twenty-five million, fourteen thousand, five hundred fifty-five".