1254133245 has 16 divisors (see below), whose sum is σ = 2012371200. Its totient is φ = 666951744.

The previous prime is 1254133229. The next prime is 1254133267. The reversal of 1254133245 is 5423314521.

It is not a de Polignac number, because 1254133245 - 2⁴ = 1254133229 is a prime.

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, 114549 + ... + 125018.

It is an arithmetic number, because the mean of its divisors is an integer number (125773200).

Almost surely, 2^1254133245 is an apocalyptic number.

1254133245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1254133245 is a deficient number, since it is larger than the sum of its proper divisors (758237955).

1254133245 is a wasteful number, since it uses less digits than its factorization.

1254133245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239924.

The product of its digits is 14400, while the sum is 30.

The square root of 1254133245 is about 35413.7437303655. The cubic root of 1254133245 is about 1078.4033462873.

Adding to 1254133245 its reverse (5423314521), we get a palindrome (6677447766).

The spelling of 1254133245 in words is "one billion, two hundred fifty-four million, one hundred thirty-three thousand, two hundred forty-five".