1231242093 has 8 divisors (see below), whose sum is σ = 1824062400. Its totient is φ = 820828044.

The previous prime is 1231242083. The next prime is 1231242107. The reversal of 1231242093 is 3902421321.

It is a happy number.

1231242093 is a `hidden beast` number, since 1 + 231 + 2 + 420 + 9 + 3 = 666.

It is not a de Polignac number, because 1231242093 - 2¹⁰ = 1231241069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 45601559 = 1231242093 / (1 + 2 + 3 + 1 + 2 + 4 + 2 + 0 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231242043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22800753 + ... + 22800806.

It is an arithmetic number, because the mean of its divisors is an integer number (228007800).

Almost surely, 2^1231242093 is an apocalyptic number.

It is an amenable number.

1231242093 is a deficient number, since it is larger than the sum of its proper divisors (592820307).

1231242093 is an equidigital number, since it uses as much as digits as its factorization.

1231242093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45601568 (or 45601562 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1231242093 is about 35089.0594487798. The cubic root of 1231242093 is about 1071.8018068129.

The spelling of 1231242093 in words is "one billion, two hundred thirty-one million, two hundred forty-two thousand, ninety-three".