1225923469 has 8 divisors (see below), whose sum is σ = 1240591680. Its totient is φ = 1211275296.

The previous prime is 1225923449. The next prime is 1225923473. The reversal of 1225923469 is 9643295221.

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 1225923469 - 2⁷ = 1225923341 is a prime.

It is a super-2 number, since 2×1225923469² = 3005776703689987922, which contains 22 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 (1225923449) 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 7 ways as a sum of consecutive naturals, for example, 144232 + ... + 152494.

It is an arithmetic number, because the mean of its divisors is an integer number (155073960).

Almost surely, 2^1225923469 is an apocalyptic number.

It is an amenable number.

1225923469 is a deficient number, since it is larger than the sum of its proper divisors (14668211).

1225923469 is an equidigital number, since it uses as much as digits as its factorization.

1225923469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019.

The product of its digits is 233280, while the sum is 43.

The square root of 1225923469 is about 35013.1899289396. The cubic root of 1225923469 is about 1070.2562838518.

The spelling of 1225923469 in words is "one billion, two hundred twenty-five million, nine hundred twenty-three thousand, four hundred sixty-nine".