1254400055 has 8 divisors (see below), whose sum is σ = 1519348752. Its totient is φ = 994140928.

The previous prime is 1254400033. The next prime is 1254400057. The reversal of 1254400055 is 5500044521.

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

It is a cyclic number.

It is not a de Polignac number, because 1254400055 - 2²² = 1250205751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254399997 and 1254400033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254400057) 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 7 ways as a sum of consecutive naturals, for example, 1171802 + ... + 1172871.

It is an arithmetic number, because the mean of its divisors is an integer number (189918594).

Almost surely, 2^1254400055 is an apocalyptic number.

1254400055 is a deficient number, since it is larger than the sum of its proper divisors (264948697).

1254400055 is a wasteful number, since it uses less digits than its factorization.

1254400055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344785.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1254400055 is about 35417.5105703379. The cubic root of 1254400055 is about 1078.4798156726.

Adding to 1254400055 its reverse (5500044521), we get a palindrome (6754444576).

The spelling of 1254400055 in words is "one billion, two hundred fifty-four million, four hundred thousand, fifty-five".