1224151 has 6 divisors (see below), whose sum is σ = 1292352. Its totient is φ = 1159380.

The previous prime is 1224149. The next prime is 1224163. The reversal of 1224151 is 1514221.

It is not a de Polignac number, because 1224151 - 2¹ = 1224149 is a prime.

It is a super-3 number, since 3×1224151³ = 5503338544370144853, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1335 + ... + 2056.

It is an arithmetic number, because the mean of its divisors is an integer number (215392).

2^1224151 is an apocalyptic number.

1224151 is a deficient number, since it is larger than the sum of its proper divisors (68201).

1224151 is an equidigital number, since it uses as much as digits as its factorization.

1224151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3410 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 1224151 is about 1106.4135754771. The cubic root of 1224151 is about 106.9740234493.

Adding to 1224151 its reverse (1514221), we get a palindrome (2738372).

The spelling of 1224151 in words is "one million, two hundred twenty-four thousand, one hundred fifty-one".