1234012091 has 8 divisors (see below), whose sum is σ = 1354011120. Its totient is φ = 1117595232.

The previous prime is 1234012051. The next prime is 1234012103. The reversal of 1234012091 is 1902104321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1234012091 - 2¹⁸ = 1233749947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234012051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894821 + ... + 896198.

It is an arithmetic number, because the mean of its divisors is an integer number (169251390).

Almost surely, 2^1234012091 is an apocalyptic number.

1234012091 is a deficient number, since it is larger than the sum of its proper divisors (119999029).

1234012091 is a wasteful number, since it uses less digits than its factorization.

1234012091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791085.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1234012091 is about 35128.5082376124. The cubic root of 1234012091 is about 1072.6049700653.

The spelling of 1234012091 in words is "one billion, two hundred thirty-four million, twelve thousand, ninety-one".