1255752750 has 128 divisors (see below), whose sum is σ = 3770956800. Its totient is φ = 271900800.

The previous prime is 1255752713. The next prime is 1255752791. The reversal of 1255752750 is 572575521.

It is a junction number, because it is equal to n+sod(n) for n = 1255752699 and 1255752708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93456 + ... + 106044.

It is an arithmetic number, because the mean of its divisors is an integer number (29460600).

Almost surely, 2^1255752750 is an apocalyptic number.

1255752750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255752750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885478400).

1255752750 is an abundant number, since it is smaller than the sum of its proper divisors (2515204050).

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

1255752750 is a wasteful number, since it uses less digits than its factorization.

1255752750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12635 (or 12625 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 39.

The square root of 1255752750 is about 35436.6018404700. The cubic root of 1255752750 is about 1078.8673396187.

The spelling of 1255752750 in words is "one billion, two hundred fifty-five million, seven hundred fifty-two thousand, seven hundred fifty".