1255254245 has 16 divisors (see below), whose sum is σ = 1822756608. Its totient is φ = 810113280.

The previous prime is 1255254229. The next prime is 1255254271. The reversal of 1255254245 is 5424525521.

It is not a de Polignac number, because 1255254245 - 2⁴ = 1255254229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054241 + ... + 1055430.

It is an arithmetic number, because the mean of its divisors is an integer number (113922288).

Almost surely, 2^1255254245 is an apocalyptic number.

It is an amenable number.

1255254245 is a deficient number, since it is larger than the sum of its proper divisors (567502363).

1255254245 is a wasteful number, since it uses less digits than its factorization.

1255254245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109700.

The product of its digits is 80000, while the sum is 35.

The square root of 1255254245 is about 35429.5673837545. The cubic root of 1255254245 is about 1078.7245588719.

Adding to 1255254245 its reverse (5424525521), we get a palindrome (6679779766).

The spelling of 1255254245 in words is "one billion, two hundred fifty-five million, two hundred fifty-four thousand, two hundred forty-five".