1223011 has 8 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 1137960.

The previous prime is 1223003. The next prime is 1223021. The reversal of 1223011 is 1103221.

1223011 = T₁₇₈ + T₁₇₉ + ... + T₂₃₄.

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 1223011 - 2³ = 1223003 is a prime.

It is a super-2 number, since 2×1223011² = 2991511812242, which contains 22 as substring.

It is a Duffinian number.

1223011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1223021) 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, 576 + ... + 1666.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^1223011 is an apocalyptic number.

1223011 is a deficient number, since it is larger than the sum of its proper divisors (87389).

1223011 is a wasteful number, since it uses less digits than its factorization.

1223011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1223011 is about 1105.8982774198. The cubic root of 1223011 is about 106.9408063429.

Adding to 1223011 its reverse (1103221), we get a palindrome (2326232).

The spelling of 1223011 in words is "one million, two hundred twenty-three thousand, eleven".