1121137 has 8 divisors (see below), whose sum is σ = 1164776. Its totient is φ = 1078272.

The previous prime is 1121101. The next prime is 1121143. The reversal of 1121137 is 7311211.

It can be written as a sum of positive squares in 4 ways, for example, as 152881 + 968256 = 391^2 + 984^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121137 is a prime.

It is a super-3 number, since 3×1121137³ = 4227633310721155059, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121137.

It is not an unprimeable number, because it can be changed into a prime (1121147) 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, 5713 + ... + 5905.

It is an arithmetic number, because the mean of its divisors is an integer number (145597).

2^1121137 is an apocalyptic number.

It is an amenable number.

1121137 is a deficient number, since it is larger than the sum of its proper divisors (43639).

1121137 is a wasteful number, since it uses less digits than its factorization.

1121137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its digits is 42, while the sum is 16.

The square root of 1121137 is about 1058.8375701683. The cubic root of 1121137 is about 103.8850122102.

Adding to 1121137 its reverse (7311211), we get a palindrome (8432348).

The spelling of 1121137 in words is "one million, one hundred twenty-one thousand, one hundred thirty-seven".