1139770 has 16 divisors (see below), whose sum is σ = 2063880. Its totient is φ = 453184.

The previous prime is 1139741. The next prime is 1139771. The reversal of 1139770 is 779311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1022121 + 117649 = 1011^2 + 343^2 .

It is not an unprimeable number, because it can be changed into a prime (1139771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2736 + ... + 3124.

2^1139770 is an apocalyptic number.

1139770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139770 is a deficient number, since it is larger than the sum of its proper divisors (924110).

1139770 is a wasteful number, since it uses less digits than its factorization.

1139770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 1139770 is about 1067.6001124016. The cubic root of 1139770 is about 104.4573668266.

The spelling of 1139770 in words is "one million, one hundred thirty-nine thousand, seven hundred seventy".