1230546121958 has 4 divisors (see below), whose sum is σ = 1845819182940. Its totient is φ = 615273060978.

The previous prime is 1230546121951. The next prime is 1230546121963. The reversal of 1230546121958 is 8591216450321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230546121951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307636530488 + ... + 307636530491.

It is an arithmetic number, because the mean of its divisors is an integer number (461454795735).

Almost surely, 2^{1230546121958} is an apocalyptic number.

1230546121958 is a deficient number, since it is larger than the sum of its proper divisors (615273060982).

1230546121958 is an equidigital number, since it uses as much as digits as its factorization.

1230546121958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615273060981.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 1230546121958 in words is "one trillion, two hundred thirty billion, five hundred forty-six million, one hundred twenty-one thousand, nine hundred fifty-eight".