1234020847 has 8 divisors (see below), whose sum is σ = 1277195040. Its totient is φ = 1190888160.

The previous prime is 1234020839. The next prime is 1234020899. The reversal of 1234020847 is 7480204321.

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 1234020847 - 2³ = 1234020839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234020247) 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, 57813 + ... + 76225.

It is an arithmetic number, because the mean of its divisors is an integer number (159649380).

Almost surely, 2^1234020847 is an apocalyptic number.

1234020847 is a deficient number, since it is larger than the sum of its proper divisors (43174193).

1234020847 is a wasteful number, since it uses less digits than its factorization.

1234020847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20753.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 1234020847 is about 35128.6328655130. The cubic root of 1234020847 is about 1072.6075069683.

The spelling of 1234020847 in words is "one billion, two hundred thirty-four million, twenty thousand, eight hundred forty-seven".