1137730 has 16 divisors (see below), whose sum is σ = 2234304. Its totient is φ = 413680.

The previous prime is 1137707. The next prime is 1137733. The reversal of 1137730 is 377311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1137733) 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, 5062 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (139644).

2^1137730 is an apocalyptic number.

1137730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1137730 is a deficient number, since it is larger than the sum of its proper divisors (1096574).

1137730 is a wasteful number, since it uses less digits than its factorization.

1137730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361.

The product of its (nonzero) digits is 441, while the sum is 22.

The square root of 1137730 is about 1066.6442705982. The cubic root of 1137730 is about 104.3950091320.

1137730 divided by its sum of digits (22) gives a palindrome (51715).

It can be divided in two parts, 1 and 137730, that added together give a palindrome (137731).

The spelling of 1137730 in words is "one million, one hundred thirty-seven thousand, seven hundred thirty".