1121715 has 32 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 512352.

The previous prime is 1121707. The next prime is 1121723. The reversal of 1121715 is 5171211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121707) and next prime (1121723).

It is not a de Polignac number, because 1121715 - 2³ = 1121707 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2^1121715 is an apocalyptic number.

1121715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121715 is an abundant number, since it is smaller than the sum of its proper divisors (1159245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121715 is a wasteful number, since it uses less digits than its factorization.

1121715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1202 counting only the distinct ones).

The product of its digits is 70, while the sum is 18.

The square root of 1121715 is about 1059.1104758239. The cubic root of 1121715 is about 103.9028617151.

Adding to 1121715 its reverse (5171211), we get a palindrome (6292926).

The spelling of 1121715 in words is "one million, one hundred twenty-one thousand, seven hundred fifteen".