1225824093 has 18 divisors (see below), whose sum is σ = 1917316986. Its totient is φ = 754352352.

The previous prime is 1225824073. The next prime is 1225824107. The reversal of 1225824093 is 3904285221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 54952569 + 1170871524 = 7413^2 + 34218^2 .

It is not a de Polignac number, because 1225824093 - 2⁹ = 1225823581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225824013) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 401446 + ... + 404487.

Almost surely, 2^1225824093 is an apocalyptic number.

1225824093 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1225824093 is a deficient number, since it is larger than the sum of its proper divisors (691492893).

1225824093 is a wasteful number, since it uses less digits than its factorization.

1225824093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805965 (or 805949 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1225824093 is about 35011.7707778398. The cubic root of 1225824093 is about 1070.2273639763.

The spelling of 1225824093 in words is "one billion, two hundred twenty-five million, eight hundred twenty-four thousand, ninety-three".