1113775 has 24 divisors (see below), whose sum is σ = 1562400. Its totient is φ = 781440.

The previous prime is 1113773. The next prime is 1113781. The reversal of 1113775 is 5773111.

1113775 = 1² + 2² + ... + 149².

It is not a de Polignac number, because 1113775 - 2¹ = 1113773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113773) 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, 7401 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (65100).

2^1113775 is an apocalyptic number.

1113775 is a deficient number, since it is larger than the sum of its proper divisors (448625).

1113775 is a wasteful number, since it uses less digits than its factorization.

1113775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 190 counting only the distinct ones).

The product of its digits is 735, while the sum is 25.

The square root of 1113775 is about 1055.3553903780. The cubic root of 1113775 is about 103.6571240250.

1113775 divided by its sum of digits (25) gives a triangular number (44551 = T₂₉₈).

Adding to 1113775 its reverse (5773111), we get a palindrome (6886886).

It can be divided in two parts, 11 and 13775, that multiplied together give a triangular number (151525 = T₅₅₀).

The spelling of 1113775 in words is "one million, one hundred thirteen thousand, seven hundred seventy-five".