1375127250 has 128 divisors (see below), whose sum is σ = 3962290176. Its totient is φ = 311140800.

The previous prime is 1375127239. The next prime is 1375127251. The reversal of 1375127250 is 527215731.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1375127251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 539479 + ... + 542021.

It is an arithmetic number, because the mean of its divisors is an integer number (30955392).

Almost surely, 2^1375127250 is an apocalyptic number.

1375127250 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 1375127250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981145088).

1375127250 is an abundant number, since it is smaller than the sum of its proper divisors (2587162926).

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

1375127250 is a wasteful number, since it uses less digits than its factorization.

1375127250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 1375127250 is about 37082.7082344319. The cubic root of 1375127250 is about 1112.0243474346.

The spelling of 1375127250 in words is "one billion, three hundred seventy-five million, one hundred twenty-seven thousand, two hundred fifty".