1375049 has 12 divisors (see below), whose sum is σ = 1568196. Its totient is φ = 1198368.

The previous prime is 1375043. The next prime is 1375051. The reversal of 1375049 is 9405731.

It can be written as a sum of positive squares in 2 ways, for example, as 797449 + 577600 = 893^2 + 760^2 .

It is not a de Polignac number, because 1375049 - 2¹² = 1370953 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 3⁹ + 7⁷ + 5³ + 0 + 4⁴ + 9⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4547 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (130683).

2^1375049 is an apocalyptic number.

1375049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1375049 is a deficient number, since it is larger than the sum of its proper divisors (193147).

1375049 is a wasteful number, since it uses less digits than its factorization.

1375049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1375049 is about 1172.6248334399. The cubic root of 1375049 is about 111.2003254222.

The spelling of 1375049 in words is "one million, three hundred seventy-five thousand, forty-nine".