1122615 has 48 divisors (see below), whose sum is σ = 2227680. Its totient is φ = 518400.

The previous prime is 1122599. The next prime is 1122623. The reversal of 1122615 is 5162211.

It is not a de Polignac number, because 1122615 - 2⁴ = 1122599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11065 + ... + 11165.

It is an arithmetic number, because the mean of its divisors is an integer number (46410).

2^1122615 is an apocalyptic number.

1122615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1122615 is a deficient number, since it is larger than the sum of its proper divisors (1105065).

1122615 is a wasteful number, since it uses less digits than its factorization.

1122615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 141 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 1122615 is about 1059.5352754864. The cubic root of 1122615 is about 103.9306428589.

Adding to 1122615 its reverse (5162211), we get a palindrome (6284826).

The spelling of 1122615 in words is "one million, one hundred twenty-two thousand, six hundred fifteen".