1230402763 has 8 divisors (see below), whose sum is σ = 1234440000. Its totient is φ = 1226372808.

The previous prime is 1230402751. The next prime is 1230402781. The reversal of 1230402763 is 3672040321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230402763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230402793) 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, 759168 + ... + 760786.

It is an arithmetic number, because the mean of its divisors is an integer number (154305000).

Almost surely, 2^1230402763 is an apocalyptic number.

1230402763 is a deficient number, since it is larger than the sum of its proper divisors (4037237).

1230402763 is a wasteful number, since it uses less digits than its factorization.

1230402763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1230402763 is about 35077.0974141248. The cubic root of 1230402763 is about 1071.5582045977.

The spelling of 1230402763 in words is "one billion, two hundred thirty million, four hundred two thousand, seven hundred sixty-three".