1140628 has 12 divisors (see below), whose sum is σ = 2065140. Its totient is φ = 550592.

The previous prime is 1140619. The next prime is 1140637. The reversal of 1140628 is 8260411.

1140628 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (1140619) and next prime (1140637).

It can be written as a sum of positive squares in 2 ways, for example, as 595984 + 544644 = 772^2 + 738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1140599 and 1140608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4801 + ... + 5032.

It is an arithmetic number, because the mean of its divisors is an integer number (172095).

2^1140628 is an apocalyptic number.

It is an amenable number.

1140628 is a deficient number, since it is larger than the sum of its proper divisors (924512).

1140628 is a wasteful number, since it uses less digits than its factorization.

1140628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9866 (or 9864 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1140628 is about 1068.0018726575. The cubic root of 1140628 is about 104.4835715114.

The spelling of 1140628 in words is "one million, one hundred forty thousand, six hundred twenty-eight".