1219234425 has 48 divisors (see below), whose sum is σ = 2072450688. Its totient is φ = 632102400.

The previous prime is 1219234421. The next prime is 1219234451. The reversal of 1219234425 is 5244329121.

It is not a de Polignac number, because 1219234425 - 2² = 1219234421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1219234421) 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 47 ways as a sum of consecutive naturals, for example, 1146444 + ... + 1147506.

It is an arithmetic number, because the mean of its divisors is an integer number (43176056).

Almost surely, 2^1219234425 is an apocalyptic number.

1219234425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1219234425 is a deficient number, since it is larger than the sum of its proper divisors (853216263).

1219234425 is a wasteful number, since it uses less digits than its factorization.

1219234425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1485 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 1219234425 is about 34917.5374990849. The cubic root of 1219234425 is about 1068.3061752800.

The spelling of 1219234425 in words is "one billion, two hundred nineteen million, two hundred thirty-four thousand, four hundred twenty-five".