1375125075 has 18 divisors (see below), whose sum is σ = 2463002204. Its totient is φ = 733399920.

The previous prime is 1375125071. The next prime is 1375125083. The reversal of 1375125075 is 5705215731.

It is a happy number.

1375125075 is a `hidden beast` number, since 137 + 5 + 12 + 507 + 5 = 666.

It is not a de Polignac number, because 1375125075 - 2² = 1375125071 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375125071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3055609 + ... + 3056058.

Almost surely, 2^1375125075 is an apocalyptic number.

1375125075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375125075 is a deficient number, since it is larger than the sum of its proper divisors (1087877129).

1375125075 is a wasteful number, since it uses less digits than its factorization.

1375125075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111683 (or 6111675 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 1375125075 is about 37082.6789080832. The cubic root of 1375125075 is about 1112.0237611484.

The spelling of 1375125075 in words is "one billion, three hundred seventy-five million, one hundred twenty-five thousand, seventy-five".