1254320151225 has 48 divisors (see below), whose sum is σ = 2151106850112. Its totient is φ = 644462300160.

The previous prime is 1254320151223. The next prime is 1254320151233. The reversal of 1254320151225 is 5221510234521.

It is not a de Polignac number, because 1254320151225 - 2¹ = 1254320151223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1254320151221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2428524 + ... + 2899373.

It is an arithmetic number, because the mean of its divisors is an integer number (44814726044).

Almost surely, 2^{1254320151225} is an apocalyptic number.

1254320151225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1254320151225 is a deficient number, since it is larger than the sum of its proper divisors (896786698887).

1254320151225 is a wasteful number, since it uses less digits than its factorization.

1254320151225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328026 (or 5328021 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1254320151225 its reverse (5221510234521), we get a palindrome (6475830385746).

The spelling of 1254320151225 in words is "one trillion, two hundred fifty-four billion, three hundred twenty million, one hundred fifty-one thousand, two hundred twenty-five".