1149730 has 8 divisors (see below), whose sum is σ = 2069532. Its totient is φ = 459888.

The previous prime is 1149689. The next prime is 1149737. The reversal of 1149730 is 379411.

It can be written as a sum of positive squares in 2 ways, for example, as 1083681 + 66049 = 1041^2 + 257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1149695 and 1149704.

It is not an unprimeable number, because it can be changed into a prime (1149737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57477 + ... + 57496.

2^1149730 is an apocalyptic number.

1149730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149730 is a deficient number, since it is larger than the sum of its proper divisors (919802).

1149730 is a wasteful number, since it uses less digits than its factorization.

1149730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114980.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1149730 is about 1072.2546339373. The cubic root of 1149730 is about 104.7607553658.

The spelling of 1149730 in words is "one million, one hundred forty-nine thousand, seven hundred thirty".