1013775 has 24 divisors (see below), whose sum is σ = 1916544. Its totient is φ = 463200.

The previous prime is 1013773. The next prime is 1013791. The reversal of 1013775 is 5773101.

It is not a de Polignac number, because 1013775 - 2¹ = 1013773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441 + ... + 1490.

It is an arithmetic number, because the mean of its divisors is an integer number (79856).

2^1013775 is an apocalyptic number.

1013775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1013775 is a deficient number, since it is larger than the sum of its proper divisors (902769).

1013775 is a wasteful number, since it uses less digits than its factorization.

1013775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 1013775 is about 1006.8639431423. The cubic root of 1013775 is about 100.4570743144.

Adding to 1013775 its reverse (5773101), we get a palindrome (6786876).

The spelling of 1013775 in words is "one million, thirteen thousand, seven hundred seventy-five".