1230540550 has 24 divisors (see below), whose sum is σ = 2293230456. Its totient is φ = 491264640.

The previous prime is 1230540533. The next prime is 1230540581. The reversal of 1230540550 is 550450321.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2622 + ... + 49678.

It is an arithmetic number, because the mean of its divisors is an integer number (95551269).

Almost surely, 2^1230540550 is an apocalyptic number.

1230540550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230540550 is a deficient number, since it is larger than the sum of its proper divisors (1062689906).

1230540550 is a wasteful number, since it uses less digits than its factorization.

1230540550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47592 (or 47587 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1230540550 is about 35079.0614184587. The cubic root of 1230540550 is about 1071.5982026871.

Adding to 1230540550 its reverse (550450321), we get a palindrome (1780990871).

The spelling of 1230540550 in words is "one billion, two hundred thirty million, five hundred forty thousand, five hundred fifty".