1173428 has 6 divisors (see below), whose sum is σ = 2053506. Its totient is φ = 586712.

The previous prime is 1173407. The next prime is 1173433. The reversal of 1173428 is 8243711.

It can be written as a sum of positive squares in only one way, i.e., 1170724 + 2704 = 1082^2 + 52^2 .

It is a d-powerful number, because it can be written as 1 + 1 + 7⁶ + 3⁸ + 4¹⁰ + 2⁷ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 1173397 and 1173406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146675 + ... + 146682.

It is an arithmetic number, because the mean of its divisors is an integer number (342251).

2^1173428 is an apocalyptic number.

It is an amenable number.

1173428 is a deficient number, since it is larger than the sum of its proper divisors (880078).

1173428 is a wasteful number, since it uses less digits than its factorization.

1173428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293361 (or 293359 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 1173428 is about 1083.2488172161. The cubic root of 1173428 is about 105.4756350823.

It can be divided in two parts, 11 and 73428, that multiplied together give a palindrome (807708).

The spelling of 1173428 in words is "one million, one hundred seventy-three thousand, four hundred twenty-eight".