1121513 has 8 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 1045440.

The previous prime is 1121509. The next prime is 1121539. The reversal of 1121513 is 3151211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121513 - 2² = 1121509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121543) 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, 833 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^1121513 is an apocalyptic number.

It is an amenable number.

1121513 is a deficient number, since it is larger than the sum of its proper divisors (78007).

1121513 is an equidigital number, since it uses as much as digits as its factorization.

1121513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its digits is 30, while the sum is 14.

The square root of 1121513 is about 1059.0151084852. The cubic root of 1121513 is about 103.8966243500.

Adding to 1121513 its reverse (3151211), we get a palindrome (4272724).

The spelling of 1121513 in words is "one million, one hundred twenty-one thousand, five hundred thirteen".