1254123455 has 16 divisors (see below), whose sum is σ = 1623392064. Its totient is φ = 924591360.

The previous prime is 1254123427. The next prime is 1254123463. The reversal of 1254123455 is 5543214521.

1254123455 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1254123455 - 2¹⁰ = 1254122431 is a prime.

It is a super-2 number, since 2×1254123455² = 3145651280762274050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24470 + ... + 55740.

It is an arithmetic number, because the mean of its divisors is an integer number (101462004).

Almost surely, 2^1254123455 is an apocalyptic number.

1254123455 is a deficient number, since it is larger than the sum of its proper divisors (369268609).

1254123455 is a wasteful number, since it uses less digits than its factorization.

1254123455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31906.

The product of its digits is 24000, while the sum is 32.

The square root of 1254123455 is about 35413.6055069235. The cubic root of 1254123455 is about 1078.4005402068.

Adding to 1254123455 its reverse (5543214521), we get a palindrome (6797337976).

The spelling of 1254123455 in words is "one billion, two hundred fifty-four million, one hundred twenty-three thousand, four hundred fifty-five".