1251225054 has 24 divisors (see below), whose sum is σ = 2715164712. Its totient is φ = 416432400.

The previous prime is 1251225049. The next prime is 1251225071. The reversal of 1251225054 is 4505221521.

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 11 ways as a sum of consecutive naturals, for example, 41472 + ... + 64979.

It is an arithmetic number, because the mean of its divisors is an integer number (113131863).

Almost surely, 2^1251225054 is an apocalyptic number.

1251225054 is an abundant number, since it is smaller than the sum of its proper divisors (1463939658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1251225054 is a wasteful number, since it uses less digits than its factorization.

1251225054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107112 (or 107109 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1251225054 is about 35372.6596964379. The cubic root of 1251225054 is about 1077.5691366286.

Adding to 1251225054 its reverse (4505221521), we get a palindrome (5756446575).

The spelling of 1251225054 in words is "one billion, two hundred fifty-one million, two hundred twenty-five thousand, fifty-four".