1226775 has 24 divisors (see below), whose sum is σ = 2214144. Its totient is φ = 594400.

The previous prime is 1226767. The next prime is 1226779. The reversal of 1226775 is 5776221.

It is not a de Polignac number, because 1226775 - 2³ = 1226767 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226779) 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, 82 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (92256).

2^1226775 is an apocalyptic number.

1226775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1226775 is a deficient number, since it is larger than the sum of its proper divisors (987369).

1226775 is a wasteful number, since it uses less digits than its factorization.

1226775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1506 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 1226775 is about 1107.5987540621. The cubic root of 1226775 is about 107.0504027831.

The spelling of 1226775 in words is "one million, two hundred twenty-six thousand, seven hundred seventy-five".