1226015 has 16 divisors (see below), whose sum is σ = 1755648. Its totient is φ = 803616.

The previous prime is 1226011. The next prime is 1226041. The reversal of 1226015 is 5106221.

It is a cyclic number.

It is not a de Polignac number, because 1226015 - 2² = 1226011 is a prime.

It is a super-2 number, since 2×1226015² = 3006225560450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1225984 and 1226002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44 + ... + 1566.

It is an arithmetic number, because the mean of its divisors is an integer number (109728).

2^1226015 is an apocalyptic number.

1226015 is a deficient number, since it is larger than the sum of its proper divisors (529633).

1226015 is a wasteful number, since it uses less digits than its factorization.

1226015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1226015 is about 1107.2556163777. The cubic root of 1226015 is about 107.0282919334.

The spelling of 1226015 in words is "one million, two hundred twenty-six thousand, fifteen".