1226357 has 4 divisors (see below), whose sum is σ = 1337856. Its totient is φ = 1114860.

The previous prime is 1226353. The next prime is 1226377. The reversal of 1226357 is 7536221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1226357 - 2² = 1226353 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226353) 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, 55733 + ... + 55754.

It is an arithmetic number, because the mean of its divisors is an integer number (334464).

2^1226357 is an apocalyptic number.

It is an amenable number.

1226357 is a deficient number, since it is larger than the sum of its proper divisors (111499).

1226357 is a wasteful number, since it uses less digits than its factorization.

1226357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111498.

The product of its digits is 2520, while the sum is 26.

The square root of 1226357 is about 1107.4100414932. The cubic root of 1226357 is about 107.0382429462.

The spelling of 1226357 in words is "one million, two hundred twenty-six thousand, three hundred fifty-seven".