1230535051 has 4 divisors (see below), whose sum is σ = 1231220104. Its totient is φ = 1229850000.

The previous prime is 1230535039. The next prime is 1230535139. The reversal of 1230535051 is 1505350321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1505350321 = 43 ⋅35008147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230535051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230535651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339825 + ... + 343426.

It is an arithmetic number, because the mean of its divisors is an integer number (307805026).

Almost surely, 2^1230535051 is an apocalyptic number.

1230535051 is a deficient number, since it is larger than the sum of its proper divisors (685053).

1230535051 is an equidigital number, since it uses as much as digits as its factorization.

1230535051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685052.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1230535051 is about 35078.9830382809. The cubic root of 1230535051 is about 1071.5966064435.

Adding to 1230535051 its reverse (1505350321), we get a palindrome (2735885372).

The spelling of 1230535051 in words is "one billion, two hundred thirty million, five hundred thirty-five thousand, fifty-one".