1256245054 has 8 divisors (see below), whose sum is σ = 1945153728. Its totient is φ = 607860480.

The previous prime is 1256245033. The next prime is 1256245121. The reversal of 1256245054 is 4505426521.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10130947 + ... + 10131070.

It is an arithmetic number, because the mean of its divisors is an integer number (243144216).

Almost surely, 2^1256245054 is an apocalyptic number.

1256245054 is a deficient number, since it is larger than the sum of its proper divisors (688908674).

1256245054 is a wasteful number, since it uses less digits than its factorization.

1256245054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262050.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 1256245054 is about 35443.5474240376. The cubic root of 1256245054 is about 1079.0083072080.

The spelling of 1256245054 in words is "one billion, two hundred fifty-six million, two hundred forty-five thousand, fifty-four".