1226929 has 4 divisors (see below), whose sum is σ = 1338480. Its totient is φ = 1115380.

The previous prime is 1226899. The next prime is 1226959. The reversal of 1226929 is 9296221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9296221 = 11 ⋅845111.

It is an interprime number because it is at equal distance from previous prime (1226899) and next prime (1226959).

It is a cyclic number.

It is not a de Polignac number, because 1226929 - 2⁷ = 1226801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1226929.

It is not an unprimeable number, because it can be changed into a prime (1226959) 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, 55759 + ... + 55780.

It is an arithmetic number, because the mean of its divisors is an integer number (334620).

2^1226929 is an apocalyptic number.

It is an amenable number.

1226929 is a deficient number, since it is larger than the sum of its proper divisors (111551).

1226929 is a wasteful number, since it uses less digits than its factorization.

1226929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111550.

The product of its digits is 3888, while the sum is 31.

The square root of 1226929 is about 1107.6682716409. The cubic root of 1226929 is about 107.0548820267.

The spelling of 1226929 in words is "one million, two hundred twenty-six thousand, nine hundred twenty-nine".