1226251 has 4 divisors (see below), whose sum is σ = 1320592. Its totient is φ = 1131912.

The previous prime is 1226237. The next prime is 1226257. The reversal of 1226251 is 1526221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1526221 = 641 ⋅2381.

It is a cyclic number.

It is not a de Polignac number, because 1226251 - 2¹¹ = 1224203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47151 + ... + 47176.

It is an arithmetic number, because the mean of its divisors is an integer number (330148).

2^1226251 is an apocalyptic number.

1226251 is a deficient number, since it is larger than the sum of its proper divisors (94341).

1226251 is an equidigital number, since it uses as much as digits as its factorization.

1226251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94340.

The product of its digits is 240, while the sum is 19.

The square root of 1226251 is about 1107.3621810411. The cubic root of 1226251 is about 107.0351589121.

The spelling of 1226251 in words is "one million, two hundred twenty-six thousand, two hundred fifty-one".