1120730 has 32 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 400896.

The previous prime is 1120727. The next prime is 1120739. The reversal of 1120730 is 370211.

It can be written as a sum of positive squares in 8 ways, for example, as 344569 + 776161 = 587^2 + 881^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1120739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4694 + ... + 4926.

2^1120730 is an apocalyptic number.

1120730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120730 is a deficient number, since it is larger than the sum of its proper divisors (1120054).

1120730 is a wasteful number, since it uses less digits than its factorization.

1120730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1120730 is about 1058.6453608268. The cubic root of 1120730 is about 103.8724397600.

Adding to 1120730 its reverse (370211), we get a palindrome (1490941).

The spelling of 1120730 in words is "one million, one hundred twenty thousand, seven hundred thirty".