1163270 has 16 divisors (see below), whose sum is σ = 2129328. Its totient is φ = 457440.

The previous prime is 1163263. The next prime is 1163273. The reversal of 1163270 is 723611.

1163270 = T₁₆₄ + T₁₆₅ + ... + T₂₂₄.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163273) 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, 344 + ... + 1563.

It is an arithmetic number, because the mean of its divisors is an integer number (133083).

2^1163270 is an apocalyptic number.

1163270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1163270 is a deficient number, since it is larger than the sum of its proper divisors (966058).

1163270 is a wasteful number, since it uses less digits than its factorization.

1163270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1163270 is about 1078.5499524825. The cubic root of 1163270 is about 105.1703960419.

Adding to 1163270 its reverse (723611), we get a palindrome (1886881).

The spelling of 1163270 in words is "one million, one hundred sixty-three thousand, two hundred seventy".